99002121310231 has 2 divisors, whose sum is σ = 99002121310232. Its totient is φ = 99002121310230.

The previous prime is 99002121310207. The next prime is 99002121310247. The reversal of 99002121310231 is 13201312120099.

It is a strong prime.

It is an emirp because it is prime and its reverse (13201312120099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99002121310231 - 2²³ = 99002112921623 is a prime.

It is a super-2 number, since 2×99002121310231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99002121310331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49501060655115 + 49501060655116.

It is an arithmetic number, because the mean of its divisors is an integer number (49501060655116).

Almost surely, 2^{99002121310231} is an apocalyptic number.

99002121310231 is a deficient number, since it is larger than the sum of its proper divisors (1).

99002121310231 is an equidigital number, since it uses as much as digits as its factorization.

99002121310231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 99002121310231 in words is "ninety-nine trillion, two billion, one hundred twenty-one million, three hundred ten thousand, two hundred thirty-one".