20110221112012 has 24 divisors (see below), whose sum is σ = 35284436474000. Its totient is φ = 10028957716800.

The previous prime is 20110221111997. The next prime is 20110221112027. The reversal of 20110221112012 is 21021112201102.

It is an interprime number because it is at equal distance from previous prime (20110221111997) and next prime (20110221112027).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19019239 + ... + 20048737.

Almost surely, 2^{20110221112012} is an apocalyptic number.

It is an amenable number.

20110221112012 is a deficient number, since it is larger than the sum of its proper divisors (15174215361988).

20110221112012 is a wasteful number, since it uses less digits than its factorization.

20110221112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042201 (or 1042199 counting only the distinct ones).

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

Adding to 20110221112012 its reverse (21021112201102), we get a palindrome (41131333313114).

The spelling of 20110221112012 in words is "twenty trillion, one hundred ten billion, two hundred twenty-one million, one hundred twelve thousand, twelve".