20010121102112 has 24 divisors (see below), whose sum is σ = 39784974697692. Its totient is φ = 9906000544000.

The previous prime is 20010121102079. The next prime is 20010121102123. The reversal of 20010121102112 is 21120112101002.

It can be written as a sum of positive squares in 2 ways, for example, as 19966991781136 + 43129320976 = 4468444^2 + 207676^2 .

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, 3095621939 + ... + 3095628402.

Almost surely, 2^{20010121102112} is an apocalyptic number.

It is an amenable number.

20010121102112 is a deficient number, since it is larger than the sum of its proper divisors (19774853595580).

20010121102112 is a wasteful number, since it uses less digits than its factorization.

20010121102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191250452 (or 6191250444 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20010121102112 its reverse (21120112101002), we get a palindrome (41130233203114).

The spelling of 20010121102112 in words is "twenty trillion, ten billion, one hundred twenty-one million, one hundred two thousand, one hundred twelve".