20111332312110 has 64 divisors (see below), whose sum is σ = 51996011880960. Its totient is φ = 4948962468480.

The previous prime is 20111332312079. The next prime is 20111332312157. The reversal of 20111332312110 is 1121323311102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6640546 + ... + 9182565.

It is an arithmetic number, because the mean of its divisors is an integer number (812437685640).

Almost surely, 2^{20111332312110} is an apocalyptic number.

20111332312110 is an abundant number, since it is smaller than the sum of its proper divisors (31884679568850).

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

20111332312110 is a wasteful number, since it uses less digits than its factorization.

20111332312110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826393.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 20111332312110 its reverse (1121323311102), we get a palindrome (21232655623212).

The spelling of 20111332312110 in words is "twenty trillion, one hundred eleven billion, three hundred thirty-two million, three hundred twelve thousand, one hundred ten".