101111109975 has 24 divisors (see below), whose sum is σ = 185744855120. Its totient is φ = 53925924960.

The previous prime is 101111109929. The next prime is 101111110021. The reversal of 101111109975 is 579901111101.

It is an interprime number because it is at equal distance from previous prime (101111109929) and next prime (101111110021).

It is not a de Polignac number, because 101111109975 - 2⁸ = 101111109719 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 74896444 + ... + 74897793.

Almost surely, 2^101111109975 is an apocalyptic number.

101111109975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101111109975 is a deficient number, since it is larger than the sum of its proper divisors (84633745145).

101111109975 is a wasteful number, since it uses less digits than its factorization.

101111109975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149794256 (or 149794245 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 36.

The spelling of 101111109975 in words is "one hundred one billion, one hundred eleven million, one hundred nine thousand, nine hundred seventy-five".