20000221021112 has 32 divisors (see below), whose sum is σ = 38162703150000. Its totient is φ = 9823737412608.

The previous prime is 20000221021073. The next prime is 20000221021129. The reversal of 20000221021112 is 21112012200002.

It is a congruent number.

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, 14151737 + ... + 15500712.

Almost surely, 2^{20000221021112} is an apocalyptic number.

It is an amenable number.

20000221021112 is a deficient number, since it is larger than the sum of its proper divisors (18162482128888).

20000221021112 is a wasteful number, since it uses less digits than its factorization.

20000221021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29653943 (or 29653939 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20000221021112 its reverse (21112012200002), we get a palindrome (41112233221114).

The spelling of 20000221021112 in words is "twenty trillion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".