21112202011010 has 128 divisors (see below), whose sum is σ = 42994040544000. Its totient is φ = 7397882219520.

The previous prime is 21112202011009. The next prime is 21112202011027. The reversal of 21112202011010 is 1011020221112.

It is a super-2 number, since 2×21112202011010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384187016 + ... + 384241964.

It is an arithmetic number, because the mean of its divisors is an integer number (335890941750).

Almost surely, 2^{21112202011010} is an apocalyptic number.

21112202011010 is an abundant number, since it is smaller than the sum of its proper divisors (21881838532990).

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

21112202011010 is a wasteful number, since it uses less digits than its factorization.

21112202011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56196.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21112202011010 its reverse (1011020221112), we get a palindrome (22123222232122).

The spelling of 21112202011010 in words is "twenty-one trillion, one hundred twelve billion, two hundred two million, eleven thousand, ten".