100567721420 has 12 divisors (see below), whose sum is σ = 211192215024. Its totient is φ = 40227088560.

The previous prime is 100567721377. The next prime is 100567721437. The reversal of 100567721420 is 24127765001.

It is a super-2 number, since 2×100567721420² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514193016 + ... + 2514193055.

It is an arithmetic number, because the mean of its divisors is an integer number (17599351252).

Almost surely, 2^100567721420 is an apocalyptic number.

100567721420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100567721420 is an abundant number, since it is smaller than the sum of its proper divisors (110624493604).

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

100567721420 is a wasteful number, since it uses less digits than its factorization.

100567721420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028386080 (or 5028386078 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 100567721420 in words is "one hundred billion, five hundred sixty-seven million, seven hundred twenty-one thousand, four hundred twenty".