2122115055656 has 32 divisors (see below), whose sum is σ = 4123683406080. Its totient is φ = 1022738880000.

The previous prime is 2122115055649. The next prime is 2122115055707. The reversal of 2122115055656 is 6565505112212.

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, 16983401 + ... + 17107896.

It is an arithmetic number, because the mean of its divisors is an integer number (128865106440).

Almost surely, 2^{2122115055656} is an apocalyptic number.

It is an amenable number.

2122115055656 is a deficient number, since it is larger than the sum of its proper divisors (2001568350424).

2122115055656 is a wasteful number, since it uses less digits than its factorization.

2122115055656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34091585 (or 34091581 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 2122115055656 in words is "two trillion, one hundred twenty-two billion, one hundred fifteen million, fifty-five thousand, six hundred fifty-six".