221600620716101 has 4 divisors (see below), whose sum is σ = 241746131690304. Its totient is φ = 201455109741900.

The previous prime is 221600620716067. The next prime is 221600620716143. The reversal of 221600620716101 is 101617026006122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221600620716101 - 2³⁰ = 221599546974277 is a prime.

It is a super-2 number, since 2×221600620716101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221600620716151) 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, 10072755487085 + ... + 10072755487106.

It is an arithmetic number, because the mean of its divisors is an integer number (60436532922576).

Almost surely, 2^{221600620716101} is an apocalyptic number.

It is an amenable number.

221600620716101 is a deficient number, since it is larger than the sum of its proper divisors (20145510974203).

221600620716101 is a wasteful number, since it uses less digits than its factorization.

221600620716101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20145510974202.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 221600620716101 in words is "two hundred twenty-one trillion, six hundred billion, six hundred twenty million, seven hundred sixteen thousand, one hundred one".