101188881 has 12 divisors (see below), whose sum is σ = 146324880. Its totient is φ = 67383960.

The previous prime is 101188849. The next prime is 101188897. The reversal of 101188881 is 188881101.

It is not a de Polignac number, because 101188881 - 2⁵ = 101188849 is a prime.

It is a super-2 number, since 2×101188881² = 20478379276064322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101180881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2950 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (12193740).

Almost surely, 2^101188881 is an apocalyptic number.

It is an amenable number.

101188881 is a deficient number, since it is larger than the sum of its proper divisors (45135999).

101188881 is a wasteful number, since it uses less digits than its factorization.

101188881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12556 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 36.

The square root of 101188881 is about 10059.2684127624. The cubic root of 101188881 is about 465.9910738342.

The spelling of 101188881 in words is "one hundred one million, one hundred eighty-eight thousand, eight hundred eighty-one".