20001022102112 has 24 divisors (see below), whose sum is σ = 39377769139296. Its totient is φ = 10000318828672.

The previous prime is 20001022102051. The next prime is 20001022102123. The reversal of 20001022102112 is 21120122010002.

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, 4308728 + ... + 7652919.

It is an arithmetic number, because the mean of its divisors is an integer number (1640740380804).

Almost surely, 2^{20001022102112} is an apocalyptic number.

It is an amenable number.

20001022102112 is a deficient number, since it is larger than the sum of its proper divisors (19376747037184).

20001022102112 is a wasteful number, since it uses less digits than its factorization.

20001022102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013910 (or 12013902 counting only the distinct ones).

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

Adding to 20001022102112 its reverse (21120122010002), we get a palindrome (41121144112114).

The spelling of 20001022102112 in words is "twenty trillion, one billion, twenty-two million, one hundred two thousand, one hundred twelve".