101911012 has 48 divisors (see below), whose sum is σ = 212179968. Its totient is φ = 41909760.

The previous prime is 101911001. The next prime is 101911021. The reversal of 101911012 is 210119101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118488 + ... + 119344.

It is an arithmetic number, because the mean of its divisors is an integer number (4420416).

Almost surely, 2^101911012 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 101911012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106089984).

101911012 is an abundant number, since it is smaller than the sum of its proper divisors (110268956).

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

101911012 is a wasteful number, since it uses less digits than its factorization.

101911012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 101911012 is about 10095.0984145772. The cubic root of 101911012 is about 467.0969570966.

The spelling of 101911012 in words is "one hundred one million, nine hundred eleven thousand, twelve".