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102212110200220 = 225191491805229781
BaseRepresentation
bin10111001111011000011100…
…100001010010110110011100
3111101220101022200220222101021
4113033120130201102312130
5101344120400202401340
61001215332321253524
730346403242455436
oct2717303441226634
9441811280828337
10102212110200220
112a627a045a8899
12b569484a942a4
134505739936517
141b35141c89656
15bc3b88eade4a
hex5cf61c852d9c

102212110200220 has 48 divisors (see below), whose sum is σ = 227458952532000. Its totient is φ = 38473057071360.

The previous prime is 102212110200203. The next prime is 102212110200229. The reversal of 102212110200220 is 22002011212201.

It is a happy number.

It is a super-3 number, since 3×1022121102002203 (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102212110200194 and 102212110200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212110200229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902558271 + ... + 902671510.

It is an arithmetic number, because the mean of its divisors is an integer number (4738728177750).

Almost surely, 2102212110200220 is an apocalyptic number.

102212110200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212110200220 is an abundant number, since it is smaller than the sum of its proper divisors (125246842331780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212110200220 is a wasteful number, since it uses less digits than its factorization.

102212110200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805229958 (or 1805229956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212110200220 its reverse (22002011212201), we get a palindrome (124214121412421).

The spelling of 102212110200220 in words is "one hundred two trillion, two hundred twelve billion, one hundred ten million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 149 190 298 380 596 745 1490 2831 2980 5662 11324 14155 28310 56620 1805229781 3610459562 7220919124 9026148905 18052297810 34299365839 36104595620 68598731678 137197463356 171496829195 268979237369 342993658390 537958474738 685987316780 1075916949476 1344896186845 2689792373690 5110605510011 5379584747380 10221211020022 20442422040044 25553027550055 51106055100110 102212110200220