109617222961 has 4 divisors (see below), whose sum is σ = 109624508532. Its totient is φ = 109609937392.

The previous prime is 109617222941. The next prime is 109617223049. The reversal of 109617222961 is 169222716901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5065880625 + 104551342336 = 71175^2 + 323344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109617222961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109617222901) 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, 3620170 + ... + 3650323.

It is an arithmetic number, because the mean of its divisors is an integer number (27406127133).

Almost surely, 2^109617222961 is an apocalyptic number.

It is an amenable number.

109617222961 is a deficient number, since it is larger than the sum of its proper divisors (7285571).

109617222961 is an equidigital number, since it uses as much as digits as its factorization.

109617222961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285570.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 109617222961 in words is "one hundred nine billion, six hundred seventeen million, two hundred twenty-two thousand, nine hundred sixty-one".