102021211220211 has 24 divisors (see below), whose sum is σ = 149862627682560. Its totient is φ = 66860929796976.

The previous prime is 102021211220153. The next prime is 102021211220321. The reversal of 102021211220211 is 112022112120201.

102021211220211 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 21 + 211 + 220 + 211 = 666.

It is not a de Polignac number, because 102021211220211 - 2⁷ = 102021211220083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021211222211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96673146 + ... + 97722768.

It is an arithmetic number, because the mean of its divisors is an integer number (6244276153440).

Almost surely, 2^{102021211220211} is an apocalyptic number.

102021211220211 is a deficient number, since it is larger than the sum of its proper divisors (47841416462349).

102021211220211 is a wasteful number, since it uses less digits than its factorization.

102021211220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232735 (or 1232732 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102021211220211 its reverse (112022112120201), we get a palindrome (214043323340412).

The spelling of 102021211220211 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, two hundred twenty thousand, two hundred eleven".