172114022081 has 4 divisors (see below), whose sum is σ = 172131503664. Its totient is φ = 172096540500.

The previous prime is 172114022051. The next prime is 172114022183. The reversal of 172114022081 is 180220411271.

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 172114022081 - 2²⁶ = 172046913217 is a prime.

It is a super-2 number, since 2×172114022081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172114022051) 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, 8726015 + ... + 8745716.

It is an arithmetic number, because the mean of its divisors is an integer number (43032875916).

Almost surely, 2^172114022081 is an apocalyptic number.

It is an amenable number.

172114022081 is a deficient number, since it is larger than the sum of its proper divisors (17481583).

172114022081 is an equidigital number, since it uses as much as digits as its factorization.

172114022081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17481582.

The product of its (nonzero) digits is 1792, while the sum is 29.

The spelling of 172114022081 in words is "one hundred seventy-two billion, one hundred fourteen million, twenty-two thousand, eighty-one".