10521222030 has 96 divisors (see below), whose sum is σ = 30947349888. Its totient is φ = 2550592800.

The previous prime is 10521221941. The next prime is 10521222037. The reversal of 10521222030 is 3022212501.

It is a super-2 number, since 2×10521222030² (a number of 21 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 = 10521221994 and 10521222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521222037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170076 + ... + 223535.

It is an arithmetic number, because the mean of its divisors is an integer number (322368228).

Almost surely, 2^10521222030 is an apocalyptic number.

10521222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10521222030 is an abundant number, since it is smaller than the sum of its proper divisors (20426127858).

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

10521222030 is a wasteful number, since it uses less digits than its factorization.

10521222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393644 (or 393632 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 10521222030 its reverse (3022212501), we get a palindrome (13543434531).

The spelling of 10521222030 in words is "ten billion, five hundred twenty-one million, two hundred twenty-two thousand, thirty".