2122132115778 has 16 divisors (see below), whose sum is σ = 4260402121536. Its totient is φ = 704687723600.

The previous prime is 2122132115749. The next prime is 2122132115837. The reversal of 2122132115778 is 8775112312212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672410373 + ... + 672413528.

It is an arithmetic number, because the mean of its divisors is an integer number (266275132596).

Almost surely, 2^{2122132115778} is an apocalyptic number.

2122132115778 is an abundant number, since it is smaller than the sum of its proper divisors (2138270005758).

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

2122132115778 is a wasteful number, since it uses less digits than its factorization.

2122132115778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344824169.

The product of its digits is 94080, while the sum is 42.

The spelling of 2122132115778 in words is "two trillion, one hundred twenty-two billion, one hundred thirty-two million, one hundred fifteen thousand, seven hundred seventy-eight".