101126172201 has 4 divisors (see below), whose sum is σ = 134834896272. Its totient is φ = 67417448132.

The previous prime is 101126172181. The next prime is 101126172227. The reversal of 101126172201 is 102271621101.

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 101126172201 - 2²¹ = 101124075049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101126172601) 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, 16854362031 + ... + 16854362036.

It is an arithmetic number, because the mean of its divisors is an integer number (33708724068).

Almost surely, 2^101126172201 is an apocalyptic number.

It is an amenable number.

101126172201 is a deficient number, since it is larger than the sum of its proper divisors (33708724071).

101126172201 is an equidigital number, since it uses as much as digits as its factorization.

101126172201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33708724070.

The product of its (nonzero) digits is 336, while the sum is 24.

Adding to 101126172201 its reverse (102271621101), we get a palindrome (203397793302).

The spelling of 101126172201 in words is "one hundred one billion, one hundred twenty-six million, one hundred seventy-two thousand, two hundred one".