117367222921 has 45 divisors (see below), whose sum is σ = 136013301189. Its totient is φ = 101230938432.

The previous prime is 117367222897. The next prime is 117367222939. The reversal of 117367222921 is 129222763711.

The square root of 117367222921 is 342589.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11807212921 + 105560010000 = 108661^2 + 324900^2 .

It is not a de Polignac number, because 117367222921 - 2¹³ = 117367214729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117367222961) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1607770141 + ... + 1607770213.

Almost surely, 2^117367222921 is an apocalyptic number.

117367222921 is the 342589-th square number.

117367222921 is the 171295-th centered octagonal number.

It is an amenable number.

117367222921 is a deficient number, since it is larger than the sum of its proper divisors (18646078268).

117367222921 is an frugal number, since it uses more digits than its factorization.

117367222921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 105 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The spelling of 117367222921 in words is "one hundred seventeen billion, three hundred sixty-seven million, two hundred twenty-two thousand, nine hundred twenty-one".