101621606223 has 4 divisors (see below), whose sum is σ = 135495474968. Its totient is φ = 67747737480.

The previous prime is 101621606221. The next prime is 101621606239. The reversal of 101621606223 is 322606126101.

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

It is not a de Polignac number, because 101621606223 - 2¹ = 101621606221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101621606221) 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, 16936934368 + ... + 16936934373.

It is an arithmetic number, because the mean of its divisors is an integer number (33873868742).

Almost surely, 2^101621606223 is an apocalyptic number.

101621606223 is a deficient number, since it is larger than the sum of its proper divisors (33873868745).

101621606223 is an equidigital number, since it uses as much as digits as its factorization.

101621606223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33873868744.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 101621606223 in words is "one hundred one billion, six hundred twenty-one million, six hundred six thousand, two hundred twenty-three".