10021113020 has 24 divisors (see below), whose sum is σ = 21533742384. Its totient is φ = 3915225216.

The previous prime is 10021113013. The next prime is 10021113061. The reversal of 10021113020 is 2031112001.

It is a super-2 number, since 2×10021113020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021112992 and 10021113010.

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, 5825369 + ... + 5827088.

It is an arithmetic number, because the mean of its divisors is an integer number (897239266).

Almost surely, 2^10021113020 is an apocalyptic number.

10021113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021113020 is an abundant number, since it is smaller than the sum of its proper divisors (11512629364).

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

10021113020 is a wasteful number, since it uses less digits than its factorization.

10021113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11652509 (or 11652507 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10021113020 its reverse (2031112001), we get a palindrome (12052225021).

The spelling of 10021113020 in words is "ten billion, twenty-one million, one hundred thirteen thousand, twenty".