10111112020120 has 16 divisors (see below), whose sum is σ = 22750002045360. Its totient is φ = 4044444808032.

The previous prime is 10111112020099. The next prime is 10111112020123. The reversal of 10111112020120 is 2102021111101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111112020120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111112020123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126388900212 + ... + 126388900291.

It is an arithmetic number, because the mean of its divisors is an integer number (1421875127835).

Almost surely, 2^{10111112020120} is an apocalyptic number.

10111112020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111112020120 is an abundant number, since it is smaller than the sum of its proper divisors (12638890025240).

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

10111112020120 is a wasteful number, since it uses less digits than its factorization.

10111112020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252777800514 (or 252777800510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111112020120 its reverse (2102021111101), we get a palindrome (12213133131221).

The spelling of 10111112020120 in words is "ten trillion, one hundred eleven billion, one hundred twelve million, twenty thousand, one hundred twenty".