171315124271222 has 32 divisors (see below), whose sum is σ = 266897256832800. Its totient is φ = 82373549626368.

The previous prime is 171315124271219. The next prime is 171315124271231. The reversal of 171315124271222 is 222172421513171.

It is a self number, because there is not a number n which added to its sum of digits gives 171315124271222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12716708 + ... + 22457624.

It is an arithmetic number, because the mean of its divisors is an integer number (8340539276025).

Almost surely, 2^{171315124271222} is an apocalyptic number.

171315124271222 is a deficient number, since it is larger than the sum of its proper divisors (95582132561578).

171315124271222 is a wasteful number, since it uses less digits than its factorization.

171315124271222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9742160.

The product of its digits is 94080, while the sum is 41.

Adding to 171315124271222 its reverse (222172421513171), we get a palindrome (393487545784393).

The spelling of 171315124271222 in words is "one hundred seventy-one trillion, three hundred fifteen billion, one hundred twenty-four million, two hundred seventy-one thousand, two hundred twenty-two".