100213440655 has 16 divisors (see below), whose sum is σ = 125132045184. Its totient is φ = 76984510720.

The previous prime is 100213440637. The next prime is 100213440667. The reversal of 100213440655 is 556044312001.

It is a happy number.

It is not a de Polignac number, because 100213440655 - 2³³ = 91623506063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4010566 + ... + 4035475.

It is an arithmetic number, because the mean of its divisors is an integer number (7820752824).

Almost surely, 2^100213440655 is an apocalyptic number.

100213440655 is a deficient number, since it is larger than the sum of its proper divisors (24918604529).

100213440655 is an equidigital number, since it uses as much as digits as its factorization.

100213440655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046146.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 100213440655 its reverse (556044312001), we get a palindrome (656257752656).

The spelling of 100213440655 in words is "one hundred billion, two hundred thirteen million, four hundred forty thousand, six hundred fifty-five".