10111012112020 has 24 divisors (see below), whose sum is σ = 21239125336800. Its totient is φ = 4043262006432.

The previous prime is 10111012112017. The next prime is 10111012112021. The reversal of 10111012112020 is 2021121011101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111012112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71354850 + ... + 71496409.

It is an arithmetic number, because the mean of its divisors is an integer number (884963555700).

Almost surely, 2^{10111012112020} is an apocalyptic number.

10111012112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111012112020 is an abundant number, since it is smaller than the sum of its proper divisors (11128113224780).

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

10111012112020 is a wasteful number, since it uses less digits than its factorization.

10111012112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142854807 (or 142854805 counting only the distinct ones).

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

Adding to 10111012112020 its reverse (2021121011101), we get a palindrome (12132133123121).

The spelling of 10111012112020 in words is "ten trillion, one hundred eleven billion, twelve million, one hundred twelve thousand, twenty".