20211232121010 has 160 divisors (see below), whose sum is σ = 64112967908352. Its totient is φ = 4470687250560.

The previous prime is 20211232120967. The next prime is 20211232121077. The reversal of 20211232121010 is 1012123211202.

20211232121010 is a `hidden beast` number, since 2 + 0 + 211 + 232 + 1 + 210 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 57317637 + ... + 57669176.

Almost surely, 2^{20211232121010} is an apocalyptic number.

20211232121010 is an abundant number, since it is smaller than the sum of its proper divisors (43901735787342).

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

20211232121010 is a wasteful number, since it uses less digits than its factorization.

20211232121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114986870 (or 114986861 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20211232121010 its reverse (1012123211202), we get a palindrome (21223355332212).

The spelling of 20211232121010 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-two million, one hundred twenty-one thousand, ten".