172122556106101 has 8 divisors (see below), whose sum is σ = 174946102732800. Its totient is φ = 169299069653040.

The previous prime is 172122556106071. The next prime is 172122556106113. The reversal of 172122556106101 is 101601655221271.

It is a happy number.

172122556106101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172122556106101 - 2²³ = 172122547717493 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 (172122556106801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9257521 + ... + 20735158.

It is an arithmetic number, because the mean of its divisors is an integer number (21868262841600).

Almost surely, 2^{172122556106101} is an apocalyptic number.

It is an amenable number.

172122556106101 is a deficient number, since it is larger than the sum of its proper divisors (2823546626699).

172122556106101 is an equidigital number, since it uses as much as digits as its factorization.

172122556106101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30086819.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 172122556106101 in words is "one hundred seventy-two trillion, one hundred twenty-two billion, five hundred fifty-six million, one hundred six thousand, one hundred one".