101089912 has 64 divisors (see below), whose sum is σ = 237484800. Its totient is φ = 39191040.

The previous prime is 101089873. The next prime is 101089927. The reversal of 101089912 is 219980101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233248 + ... + 233680.

It is an arithmetic number, because the mean of its divisors is an integer number (3710700).

Almost surely, 2^101089912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101089912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118742400).

101089912 is an abundant number, since it is smaller than the sum of its proper divisors (136394888).

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

101089912 is a wasteful number, since it uses less digits than its factorization.

101089912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 101089912 is about 10054.3479152056. The cubic root of 101089912 is about 465.8391015557.

The spelling of 101089912 in words is "one hundred one million, eighty-nine thousand, nine hundred twelve".