101211100099 has 12 divisors (see below), whose sum is σ = 105828600976. Its totient is φ = 96787109232.

The previous prime is 101211100087. The next prime is 101211100157. The reversal of 101211100099 is 990001112101.

It is not a de Polignac number, because 101211100099 - 2³¹ = 99063616451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2394997 + ... + 2436889.

Almost surely, 2^101211100099 is an apocalyptic number.

101211100099 is a deficient number, since it is larger than the sum of its proper divisors (4617500877).

101211100099 is an equidigital number, since it uses as much as digits as its factorization.

101211100099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46506 (or 46483 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 101211100099 in words is "one hundred one billion, two hundred eleven million, one hundred thousand, ninety-nine".