101159912 has 24 divisors (see below), whose sum is σ = 220643010. Its totient is φ = 43354080.

The previous prime is 101159909. The next prime is 101159921. The reversal of 101159912 is 219951101.

It can be written as a sum of positive squares in only one way, i.e., 59505796 + 41654116 = 7714^2 + 6454^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128639 + ... + 129422.

Almost surely, 2^101159912 is an apocalyptic number.

It is an amenable number.

101159912 is an abundant number, since it is smaller than the sum of its proper divisors (119483098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101159912 is a wasteful number, since it uses less digits than its factorization.

101159912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258081 (or 258070 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 29.

The square root of 101159912 is about 10057.8283938433. The cubic root of 101159912 is about 465.9466006216.

It can be divided in two parts, 10115 and 9912, that multiplied together give a triangular number (100259880 = T₁₄₁₆₀).

The spelling of 101159912 in words is "one hundred one million, one hundred fifty-nine thousand, nine hundred twelve".