101661022 has 4 divisors (see below), whose sum is σ = 152491536. Its totient is φ = 50830510.

The previous prime is 101661019. The next prime is 101661029. The reversal of 101661022 is 220166101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101661029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25415254 + ... + 25415257.

It is an arithmetic number, because the mean of its divisors is an integer number (38122884).

Almost surely, 2^101661022 is an apocalyptic number.

101661022 is a deficient number, since it is larger than the sum of its proper divisors (50830514).

101661022 is an equidigital number, since it uses as much as digits as its factorization.

101661022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50830513.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 101661022 is about 10082.7090605650. The cubic root of 101661022 is about 466.7147112667.

The spelling of 101661022 in words is "one hundred one million, six hundred sixty-one thousand, twenty-two".