99910001211 has 16 divisors (see below), whose sum is σ = 136860412704. Its totient is φ = 64784358144.

The previous prime is 99910001189. The next prime is 99910001263. The reversal of 99910001211 is 11210001999.

It is not a de Polignac number, because 99910001211 - 2⁷ = 99910001083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99910001111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176031 + ... + 480423.

It is an arithmetic number, because the mean of its divisors is an integer number (8553775794).

Almost surely, 2^99910001211 is an apocalyptic number.

99910001211 is a deficient number, since it is larger than the sum of its proper divisors (36950411493).

99910001211 is a wasteful number, since it uses less digits than its factorization.

99910001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307390.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 99910001211 in words is "ninety-nine billion, nine hundred ten million, one thousand, two hundred eleven".