2121132110179 has 2 divisors, whose sum is σ = 2121132110180. Its totient is φ = 2121132110178.

The previous prime is 2121132110113. The next prime is 2121132110287. The reversal of 2121132110179 is 9710112311212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121132110179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121132110179.

It is not a weakly prime, because it can be changed into another prime (2121132110879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060566055089 + 1060566055090.

It is an arithmetic number, because the mean of its divisors is an integer number (1060566055090).

Almost surely, 2^{2121132110179} is an apocalyptic number.

2121132110179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121132110179 is an equidigital number, since it uses as much as digits as its factorization.

2121132110179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 2121132110179 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, one hundred ten thousand, one hundred seventy-nine".