2171044722115 has 16 divisors (see below), whose sum is σ = 2606674744800. Its totient is φ = 1735888672512.

The previous prime is 2171044722073. The next prime is 2171044722151. The reversal of 2171044722115 is 5112274401712.

It is a cyclic number.

It is not a de Polignac number, because 2171044722115 - 2²³ = 2171036333507 is a prime.

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, 80956449 + ... + 80983261.

It is an arithmetic number, because the mean of its divisors is an integer number (162917171550).

Almost surely, 2^{2171044722115} is an apocalyptic number.

2171044722115 is a deficient number, since it is larger than the sum of its proper divisors (435630022685).

2171044722115 is a wasteful number, since it uses less digits than its factorization.

2171044722115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35046.

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 2171044722115 in words is "two trillion, one hundred seventy-one billion, forty-four million, seven hundred twenty-two thousand, one hundred fifteen".