101665122 has 32 divisors (see below), whose sum is σ = 224895552. Its totient is φ = 30435264.

The previous prime is 101665121. The next prime is 101665133. The reversal of 101665122 is 221566101.

It is a junction number, because it is equal to n+sod(n) for n = 101665092 and 101665101.

It is not an unprimeable number, because it can be changed into a prime (101665121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14728 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (7027986).

Almost surely, 2^101665122 is an apocalyptic number.

101665122 is an abundant number, since it is smaller than the sum of its proper divisors (123230430).

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

101665122 is a wasteful number, since it uses less digits than its factorization.

101665122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35282.

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

The square root of 101665122 is about 10082.9123768879. The cubic root of 101665122 is about 466.7209854006.

It can be divided in two parts, 1016651 and 22, that multiplied together give a palindrome (22366322).

The spelling of 101665122 in words is "one hundred one million, six hundred sixty-five thousand, one hundred twenty-two".