10112121112020 has 48 divisors (see below), whose sum is σ = 28314590568768. Its totient is φ = 2696503586560.

The previous prime is 10112121112007. The next prime is 10112121112061. The reversal of 10112121112020 is 2021112121101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720787 + ... + 4554533.

It is an arithmetic number, because the mean of its divisors is an integer number (589887303516).

Almost surely, 2^{10112121112020} is an apocalyptic number.

10112121112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112121112020 is an abundant number, since it is smaller than the sum of its proper divisors (18202469456748).

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

10112121112020 is a wasteful number, since it uses less digits than its factorization.

10112121112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877720 (or 3877718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10112121112020 its reverse (2021112121101), we get a palindrome (12133233233121).

It can be divided in two parts, 101 and 12121112020, that added together give a palindrome (12121112121).

The spelling of 10112121112020 in words is "ten trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twelve thousand, twenty".