100012213291 has 2 divisors, whose sum is σ = 100012213292. Its totient is φ = 100012213290.

The previous prime is 100012213289. The next prime is 100012213303. The reversal of 100012213291 is 192312210001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100012213291 - 2¹ = 100012213289 is a prime.

Together with 100012213289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100012213211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006106645 + 50006106646.

It is an arithmetic number, because the mean of its divisors is an integer number (50006106646).

Almost surely, 2^100012213291 is an apocalyptic number.

100012213291 is a deficient number, since it is larger than the sum of its proper divisors (1).

100012213291 is an equidigital number, since it uses as much as digits as its factorization.

100012213291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 100012213291 its reverse (192312210001), we get a palindrome (292324423292).

The spelling of 100012213291 in words is "one hundred billion, twelve million, two hundred thirteen thousand, two hundred ninety-one".