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2110010221220 = 2251171135083881
BaseRepresentation
bin11110101101000110011…
…010001110001010100100
321110201022020111010012212
4132231012122032022210
5234032300104034340
64253154133502552
7305305006646006
oct36550632161244
97421266433185
102110010221220
11743939842290
122a0b261a1a58
13123c85bcc725
14741a7174376
1539d45e43a65
hex1eb4668e2a4

2110010221220 has 48 divisors (see below), whose sum is σ = 4901923910016. Its totient is φ = 756469728000.

The previous prime is 2110010221213. The next prime is 2110010221259. The reversal of 2110010221220 is 221220100112.

It is a junction number, because it is equal to n+sod(n) for n = 2110010221195 and 2110010221204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67526321 + ... + 67557560.

It is an arithmetic number, because the mean of its divisors is an integer number (102123414792).

Almost surely, 22110010221220 is an apocalyptic number.

2110010221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110010221220 is an abundant number, since it is smaller than the sum of its proper divisors (2791913688796).

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

2110010221220 is a wasteful number, since it uses less digits than its factorization.

2110010221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135083972 (or 135083970 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2110010221220 its reverse (221220100112), we get a palindrome (2331230321332).

The spelling of 2110010221220 in words is "two trillion, one hundred ten billion, ten million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 71 110 142 220 284 355 710 781 1420 1562 3124 3905 7810 15620 135083881 270167762 540335524 675419405 1350838810 1485922691 2701677620 2971845382 5943690764 7429613455 9590955551 14859226910 19181911102 29718453820 38363822204 47954777755 95909555510 105500511061 191819111020 211001022122 422002044244 527502555305 1055005110610 2110010221220