20213111330112 has 56 divisors (see below), whose sum is σ = 53484404177536. Its totient is φ = 6737214901248.

The previous prime is 20213111329979. The next prime is 20213111330143. The reversal of 20213111330112 is 21103311131202.

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 7 ways as a sum of consecutive naturals, for example, 1161493 + ... + 6463380.

Almost surely, 2^{20213111330112} is an apocalyptic number.

It is an amenable number.

20213111330112 is an abundant number, since it is smaller than the sum of its proper divisors (33271292847424).

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

20213111330112 is a wasteful number, since it uses less digits than its factorization.

20213111330112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638695 (or 7638685 counting only the distinct ones).

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

Adding to 20213111330112 its reverse (21103311131202), we get a palindrome (41316422461314).

The spelling of 20213111330112 in words is "twenty trillion, two hundred thirteen billion, one hundred eleven million, three hundred thirty thousand, one hundred twelve".