102211122020210 has 64 divisors (see below), whose sum is σ = 215395535674368. Its totient is φ = 34198147076544.

The previous prime is 102211122020209. The next prime is 102211122020251. The reversal of 102211122020210 is 12020221112201.

It is a super-2 number, since 2×102211122020210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101336564 + ... + 102340223.

It is an arithmetic number, because the mean of its divisors is an integer number (3365555244912).

Almost surely, 2^{102211122020210} is an apocalyptic number.

102211122020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102211122020210 is an abundant number, since it is smaller than the sum of its proper divisors (113184413654158).

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

102211122020210 is a wasteful number, since it uses less digits than its factorization.

102211122020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203676975.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102211122020210 its reverse (12020221112201), we get a palindrome (114231343132411).

The spelling of 102211122020210 in words is "one hundred two trillion, two hundred eleven billion, one hundred twenty-two million, twenty thousand, two hundred ten".