20110021122112 has 56 divisors (see below), whose sum is σ = 39941324841600. Its totient is φ = 10046068555776.

The previous prime is 20110021122109. The next prime is 20110021122187. The reversal of 20110021122112 is 21122112001102.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 441286464 + ... + 441332032.

It is an arithmetic number, because the mean of its divisors is an integer number (713237943600).

Almost surely, 2^{20110021122112} is an apocalyptic number.

It is an amenable number.

20110021122112 is a deficient number, since it is larger than the sum of its proper divisors (19831303719488).

20110021122112 is a wasteful number, since it uses less digits than its factorization.

20110021122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51563 (or 51553 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20110021122112 its reverse (21122112001102), we get a palindrome (41232133123214).

The spelling of 20110021122112 in words is "twenty trillion, one hundred ten billion, twenty-one million, one hundred twenty-two thousand, one hundred twelve".