20000121101112 has 32 divisors (see below), whose sum is σ = 50003107002000. Its totient is φ = 6666333133824.

The previous prime is 20000121101087. The next prime is 20000121101137. The reversal of 20000121101112 is 21110112100002.

It is an interprime number because it is at equal distance from previous prime (20000121101087) and next prime (20000121101137).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 22931737 + ... + 23787912.

Almost surely, 2^{20000121101112} is an apocalyptic number.

It is an amenable number.

20000121101112 is an abundant number, since it is smaller than the sum of its proper divisors (30002985900888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000121101112 is a wasteful number, since it uses less digits than its factorization.

20000121101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46737495 (or 46737491 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20000121101112 its reverse (21110112100002), we get a palindrome (41110233201114).

The spelling of 20000121101112 in words is "twenty trillion, one hundred twenty-one million, one hundred one thousand, one hundred twelve".