102211220120 has 32 divisors (see below), whose sum is σ = 230019268320. Its totient is φ = 40876661760.

The previous prime is 102211220113. The next prime is 102211220161. The reversal of 102211220120 is 21022112201.

It is a junction number, because it is equal to n+sod(n) for n = 102211220095 and 102211220104.

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, 30692 + ... + 453171.

It is an arithmetic number, because the mean of its divisors is an integer number (7188102135).

Almost surely, 2^102211220120 is an apocalyptic number.

102211220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211220120 is an abundant number, since it is smaller than the sum of its proper divisors (127808048200).

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

102211220120 is a wasteful number, since it uses less digits than its factorization.

102211220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489155 (or 489151 counting only the distinct ones).

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

Adding to 102211220120 its reverse (21022112201), we get a palindrome (123233332321).

The spelling of 102211220120 in words is "one hundred two billion, two hundred eleven million, two hundred twenty thousand, one hundred twenty".