100131452455221 has 24 divisors (see below), whose sum is σ = 157783420046304. Its totient is φ = 60685526734560.

The previous prime is 100131452455219. The next prime is 100131452455253. The reversal of 100131452455221 is 122554254131001.

100131452455221 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 31 + 4 + 52 + 4 + 552 + 21 = 666.

It is not a de Polignac number, because 100131452455221 - 2¹ = 100131452455219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131452455621) 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, 31489450 + ... + 34523156.

It is an arithmetic number, because the mean of its divisors is an integer number (6574309168596).

Almost surely, 2^{100131452455221} is an apocalyptic number.

100131452455221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100131452455221 is a deficient number, since it is larger than the sum of its proper divisors (57651967591083).

100131452455221 is a wasteful number, since it uses less digits than its factorization.

100131452455221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367121 (or 3367118 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 100131452455221 in words is "one hundred trillion, one hundred thirty-one billion, four hundred fifty-two million, four hundred fifty-five thousand, two hundred twenty-one".