10522111020 has 24 divisors (see below), whose sum is σ = 29461911024. Its totient is φ = 2805896256.

The previous prime is 10522111013. The next prime is 10522111031. The reversal of 10522111020 is 2011122501.

It is a super-2 number, since 2×10522111020² (a number of 21 digits) contains 22 as substring.

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

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, 87684199 + ... + 87684318.

It is an arithmetic number, because the mean of its divisors is an integer number (1227579626).

Almost surely, 2^10522111020 is an apocalyptic number.

10522111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10522111020 is an abundant number, since it is smaller than the sum of its proper divisors (18939800004).

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

10522111020 is a wasteful number, since it uses less digits than its factorization.

10522111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175368529 (or 175368527 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 10522111020 its reverse (2011122501), we get a palindrome (12533233521).

The spelling of 10522111020 in words is "ten billion, five hundred twenty-two million, one hundred eleven thousand, twenty".