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101222114420 = 22571104765449
BaseRepresentation
bin101111001000101001…
…1101110010001110100
3100200021100021012001202
41132101103232101310
53124300330130140
6114300101112032
710212243530210
oct1362123562164
9320240235052
10101222114420
1139a23276819
121774b0b8618
139711a7787b
144c834a9940
152976692915
hex17914ee474

101222114420 has 48 divisors (see below), whose sum is σ = 242958777600. Its totient is φ = 34701053184.

The previous prime is 101222114417. The next prime is 101222114429. The reversal of 101222114420 is 24411222101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101222114392 and 101222114401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222114429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513856 + ... + 1579304.

It is an arithmetic number, because the mean of its divisors is an integer number (5061641200).

Almost surely, 2101222114420 is an apocalyptic number.

101222114420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222114420 is an abundant number, since it is smaller than the sum of its proper divisors (141736663180).

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

101222114420 is a wasteful number, since it uses less digits than its factorization.

101222114420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76512 (or 76510 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101222114420 its reverse (24411222101), we get a palindrome (125633336521).

The spelling of 101222114420 in words is "one hundred one billion, two hundred twenty-two million, one hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 11047 22094 44188 55235 65449 77329 110470 130898 154658 220940 261796 309316 327245 386645 458143 654490 773290 916286 1308980 1546580 1832572 2290715 4581430 9162860 723015103 1446030206 2892060412 3615075515 5061105721 7230151030 10122211442 14460302060 20244422884 25305528605 50611057210 101222114420