10221423100 has 72 divisors (see below), whose sum is σ = 26451307008. Its totient is φ = 3352113600.

The previous prime is 10221423097. The next prime is 10221423101. The reversal of 10221423100 is 132412201.

It is a super-2 number, since 2×10221423100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221423101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301336 + ... + 333535.

It is an arithmetic number, because the mean of its divisors is an integer number (367379264).

Almost surely, 2^10221423100 is an apocalyptic number.

10221423100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221423100 is an abundant number, since it is smaller than the sum of its proper divisors (16229883908).

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

10221423100 is a wasteful number, since it uses less digits than its factorization.

10221423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634915 (or 634908 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10221423100 its reverse (132412201), we get a palindrome (10353835301).

The spelling of 10221423100 in words is "ten billion, two hundred twenty-one million, four hundred twenty-three thousand, one hundred".