2117161015122 has 16 divisors (see below), whose sum is σ = 4234346119872. Its totient is φ = 705716323440.

The previous prime is 2117161014973. The next prime is 2117161015129. The reversal of 2117161015122 is 2215101617112.

It is a self number, because there is not a number n which added to its sum of digits gives 2117161015122.

It is not an unprimeable number, because it can be changed into a prime (2117161015129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261472 + ... + 2074292.

It is an arithmetic number, because the mean of its divisors is an integer number (264646632492).

Almost surely, 2^{2117161015122} is an apocalyptic number.

2117161015122 is an abundant number, since it is smaller than the sum of its proper divisors (2117185104750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117161015122 is a wasteful number, since it uses less digits than its factorization.

2117161015122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007473.

The product of its (nonzero) digits is 1680, while the sum is 30.

The spelling of 2117161015122 in words is "two trillion, one hundred seventeen billion, one hundred sixty-one million, fifteen thousand, one hundred twenty-two".