221000301100100 has 36 divisors (see below), whose sum is σ = 480447382305744. Its totient is φ = 88238511422880.

The previous prime is 221000301100087. The next prime is 221000301100123. The reversal of 221000301100100 is 1001103000122.

221000301100100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221000301100100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020057742 + ... + 2020167141.

It is an arithmetic number, because the mean of its divisors is an integer number (13345760619604).

Almost surely, 2^{221000301100100} is an apocalyptic number.

221000301100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221000301100100 is an abundant number, since it is smaller than the sum of its proper divisors (259447081205644).

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

221000301100100 is a wasteful number, since it uses less digits than its factorization.

221000301100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040225444 (or 4040225437 counting only the distinct ones).

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

Adding to 221000301100100 its reverse (1001103000122), we get a palindrome (222001404100222).

The spelling of 221000301100100 in words is "two hundred twenty-one trillion, three hundred one million, one hundred thousand, one hundred".