20321022112112 has 20 divisors (see below), whose sum is σ = 40287607793400. Its totient is φ = 9924220100928.

The previous prime is 20321022112103. The next prime is 20321022112133. The reversal of 20321022112112 is 21121122012302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14768183987 + ... + 14768185362.

It is an arithmetic number, because the mean of its divisors is an integer number (2014380389670).

Almost surely, 2^{20321022112112} is an apocalyptic number.

It is an amenable number.

20321022112112 is a deficient number, since it is larger than the sum of its proper divisors (19966585681288).

20321022112112 is a wasteful number, since it uses less digits than its factorization.

20321022112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29536369400 (or 29536369394 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20321022112112 its reverse (21121122012302), we get a palindrome (41442144124414).

The spelling of 20321022112112 in words is "twenty trillion, three hundred twenty-one billion, twenty-two million, one hundred twelve thousand, one hundred twelve".