101551116 has 12 divisors (see below), whose sum is σ = 236952632. Its totient is φ = 33850368.

The previous prime is 101551111. The next prime is 101551117. The reversal of 101551116 is 611155101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 101551092 and 101551101.

It is not an unprimeable number, because it can be changed into a prime (101551111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4231285 + ... + 4231308.

Almost surely, 2^101551116 is an apocalyptic number.

It is an amenable number.

101551116 is an abundant number, since it is smaller than the sum of its proper divisors (135401516).

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

101551116 is a wasteful number, since it uses less digits than its factorization.

101551116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462600 (or 8462598 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 101551116 is about 10077.2573649778. The cubic root of 101551116 is about 466.5464617838.

The spelling of 101551116 in words is "one hundred one million, five hundred fifty-one thousand, one hundred sixteen".