99111101211 has 24 divisors (see below), whose sum is σ = 145773824144. Its totient is φ = 64871876160.

The previous prime is 99111101197. The next prime is 99111101227. The reversal of 99111101211 is 11210111199.

It is not a de Polignac number, because 99111101211 - 2¹⁴ = 99111084827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99111101911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135285 + ... + 465321.

Almost surely, 2^99111101211 is an apocalyptic number.

99111101211 is a deficient number, since it is larger than the sum of its proper divisors (46662722933).

99111101211 is a wasteful number, since it uses less digits than its factorization.

99111101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330651 (or 330648 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 27.

The spelling of 99111101211 in words is "ninety-nine billion, one hundred eleven million, one hundred one thousand, two hundred eleven".