100897423221 has 32 divisors (see below), whose sum is σ = 154123202560. Its totient is φ = 57515318784.

The previous prime is 100897423219. The next prime is 100897423303. The reversal of 100897423221 is 122324798001.

It is not a de Polignac number, because 100897423221 - 2¹ = 100897423219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100897423221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104897423221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18412560 + ... + 18418038.

It is an arithmetic number, because the mean of its divisors is an integer number (4816350080).

Almost surely, 2^100897423221 is an apocalyptic number.

It is an amenable number.

100897423221 is a deficient number, since it is larger than the sum of its proper divisors (53225779339).

100897423221 is a wasteful number, since it uses less digits than its factorization.

100897423221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7465.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 100897423221 in words is "one hundred billion, eight hundred ninety-seven million, four hundred twenty-three thousand, two hundred twenty-one".