102211020012120 has 32 divisors (see below), whose sum is σ = 306633060036720. Its totient is φ = 27256272003200.

The previous prime is 102211020012091. The next prime is 102211020012139. The reversal of 102211020012120 is 21210020112201.

It is a super-2 number, since 2×102211020012120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102211020012120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425879249931 + ... + 425879250170.

Almost surely, 2^{102211020012120} is an apocalyptic number.

102211020012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211020012120 is an abundant number, since it is smaller than the sum of its proper divisors (204422040024600).

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

102211020012120 is a wasteful number, since it uses less digits than its factorization.

102211020012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851758500115 (or 851758500111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102211020012120 its reverse (21210020112201), we get a palindrome (123421040124321).

The spelling of 102211020012120 in words is "one hundred two trillion, two hundred eleven billion, twenty million, twelve thousand, one hundred twenty".