101566122 has 24 divisors (see below), whose sum is σ = 236297376. Its totient is φ = 29018808.

The previous prime is 101566111. The next prime is 101566123. The reversal of 101566122 is 221665101.

It is a junction number, because it is equal to n+sod(n) for n = 101566092 and 101566101.

It is not an unprimeable number, because it can be changed into a prime (101566123) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 172438 + ... + 173025.

It is an arithmetic number, because the mean of its divisors is an integer number (9845724).

Almost surely, 2^101566122 is an apocalyptic number.

101566122 is an abundant number, since it is smaller than the sum of its proper divisors (134731254).

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

101566122 is a wasteful number, since it uses less digits than its factorization.

101566122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345482 (or 345475 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 101566122 is about 10078.0018852945. The cubic root of 101566122 is about 466.5694408564.

The spelling of 101566122 in words is "one hundred one million, five hundred sixty-six thousand, one hundred twenty-two".