2122601322345 has 32 divisors (see below), whose sum is σ = 4050081533952. Its totient is φ = 928143682752.

The previous prime is 2122601322301. The next prime is 2122601322403. The reversal of 2122601322345 is 5432231062212.

It is not a de Polignac number, because 2122601322345 - 2⁸ = 2122601322089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439459557 + ... + 439464386.

It is an arithmetic number, because the mean of its divisors is an integer number (126565047936).

Almost surely, 2^{2122601322345} is an apocalyptic number.

It is an amenable number.

2122601322345 is a deficient number, since it is larger than the sum of its proper divisors (1927480211607).

2122601322345 is a wasteful number, since it uses less digits than its factorization.

2122601322345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878923981.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2122601322345 its reverse (5432231062212), we get a palindrome (7554832384557).

The spelling of 2122601322345 in words is "two trillion, one hundred twenty-two billion, six hundred one million, three hundred twenty-two thousand, three hundred forty-five".