2122611352045 has 4 divisors (see below), whose sum is σ = 2547133622460. Its totient is φ = 1698089081632.

The previous prime is 2122611352009. The next prime is 2122611352061. The reversal of 2122611352045 is 5402531162212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1113476585796 + 1009134766249 = 1055214^2 + 1004557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122611352045 - 2⁹ = 2122611351533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122611352045.

It is a congruent number.

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, 212261135200 + ... + 212261135209.

It is an arithmetic number, because the mean of its divisors is an integer number (636783405615).

Almost surely, 2^{2122611352045} is an apocalyptic number.

It is an amenable number.

2122611352045 is a deficient number, since it is larger than the sum of its proper divisors (424522270415).

2122611352045 is an equidigital number, since it uses as much as digits as its factorization.

2122611352045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424522270414.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 2122611352045 in words is "two trillion, one hundred twenty-two billion, six hundred eleven million, three hundred fifty-two thousand, forty-five".