101551122 has 24 divisors (see below), whose sum is σ = 225146064. Its totient is φ = 33062904.

The previous prime is 101551117. The next prime is 101551139. The reversal of 101551122 is 221155101.

101551122 is a `hidden beast` number, since 101 + 551 + 12 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101551095 and 101551104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64828 + ... + 66375.

It is an arithmetic number, because the mean of its divisors is an integer number (9381086).

Almost surely, 2^101551122 is an apocalyptic number.

101551122 is an abundant number, since it is smaller than the sum of its proper divisors (123594942).

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

101551122 is a wasteful number, since it uses less digits than its factorization.

101551122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131254 (or 131251 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 101551122 is about 10077.2576626779. The cubic root of 101551122 is about 466.5464709722.

The spelling of 101551122 in words is "one hundred one million, five hundred fifty-one thousand, one hundred twenty-two".