20211112122110 has 64 divisors (see below), whose sum is σ = 45060580720512. Its totient is φ = 6355741856256.

The previous prime is 20211112122049. The next prime is 20211112122119. The reversal of 20211112122110 is 1122121111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211112122119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70589657 + ... + 70875396.

It is an arithmetic number, because the mean of its divisors is an integer number (704071573758).

Almost surely, 2^{20211112122110} is an apocalyptic number.

20211112122110 is an abundant number, since it is smaller than the sum of its proper divisors (24849468598402).

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

20211112122110 is a wasteful number, since it uses less digits than its factorization.

20211112122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141465237.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20211112122110 its reverse (1122121111202), we get a palindrome (21333233233312).

The spelling of 20211112122110 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, one hundred twenty-two thousand, one hundred ten".