2156122362610 has 8 divisors (see below), whose sum is σ = 3881020252716. Its totient is φ = 862448945040.

The previous prime is 2156122362601. The next prime is 2156122362659. The reversal of 2156122362610 is 162632216512.

It can be written as a sum of positive squares in 2 ways, for example, as 2141279082721 + 14843279889 = 1463311^2 + 121833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2156122362610.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107806118121 + ... + 107806118140.

Almost surely, 2^{2156122362610} is an apocalyptic number.

2156122362610 is a deficient number, since it is larger than the sum of its proper divisors (1724897890106).

2156122362610 is a wasteful number, since it uses less digits than its factorization.

2156122362610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215612236268.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2156122362610 in words is "two trillion, one hundred fifty-six billion, one hundred twenty-two million, three hundred sixty-two thousand, six hundred ten".