10112421040020 has 144 divisors (see below), whose sum is σ = 33593805947520. Its totient is φ = 2447021276928.

The previous prime is 10112421039979. The next prime is 10112421040081. The reversal of 10112421040020 is 2004012421101.

10112421040020 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 242 + 1 + 0 + 400 + 20 = 666.

10112421040020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10112421040020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10112421039975 and 10112421040002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36485224 + ... + 36761343.

It is an arithmetic number, because the mean of its divisors is an integer number (233290319080).

Almost surely, 2^{10112421040020} is an apocalyptic number.

10112421040020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112421040020 is an abundant number, since it is smaller than the sum of its proper divisors (23481384907500).

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

10112421040020 is a wasteful number, since it uses less digits than its factorization.

10112421040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73246654 (or 73246649 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10112421040020 its reverse (2004012421101), we get a palindrome (12116433461121).

The spelling of 10112421040020 in words is "ten trillion, one hundred twelve billion, four hundred twenty-one million, forty thousand, twenty".