20110102012120 has 32 divisors (see below), whose sum is σ = 45248395870800. Its totient is φ = 8043922343808.

The previous prime is 20110102012093. The next prime is 20110102012277. The reversal of 20110102012120 is 2121020101102.

It is a self number, because there is not a number n which added to its sum of digits gives 20110102012120.

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, 926079 + ... + 6409198.

Almost surely, 2^{20110102012120} is an apocalyptic number.

20110102012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110102012120 is an abundant number, since it is smaller than the sum of its proper divisors (25138293858680).

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

20110102012120 is a wasteful number, since it uses less digits than its factorization.

20110102012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403827 (or 7403823 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110102012120 its reverse (2121020101102), we get a palindrome (22231122113222).

The spelling of 20110102012120 in words is "twenty trillion, one hundred ten billion, one hundred two million, twelve thousand, one hundred twenty".