102211210011220 has 24 divisors (see below), whose sum is σ = 215107134004224. Its totient is φ = 40796180579616.

The previous prime is 102211210011199. The next prime is 102211210011227. The reversal of 102211210011220 is 22110012112201.

It is a junction number, because it is equal to n+sod(n) for n = 102211210011194 and 102211210011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211210011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5518954564 + ... + 5518973083.

It is an arithmetic number, because the mean of its divisors is an integer number (8962797250176).

Almost surely, 2^{102211210011220} is an apocalyptic number.

102211210011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211210011220 is an abundant number, since it is smaller than the sum of its proper divisors (112895923993004).

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

102211210011220 is a wasteful number, since it uses less digits than its factorization.

102211210011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11037928119 (or 11037928117 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102211210011220 its reverse (22110012112201), we get a palindrome (124321222123421).

The spelling of 102211210011220 in words is "one hundred two trillion, two hundred eleven billion, two hundred ten million, eleven thousand, two hundred twenty".