2122646551361 has 8 divisors (see below), whose sum is σ = 2443334160960. Its totient is φ = 1806322038768.

The previous prime is 2122646551357. The next prime is 2122646551409. The reversal of 2122646551361 is 1631556462212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122646551361 - 2² = 2122646551357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122646551351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090773206 + ... + 1090775151.

It is an arithmetic number, because the mean of its divisors is an integer number (305416770120).

Almost surely, 2^{2122646551361} is an apocalyptic number.

It is an amenable number.

2122646551361 is a deficient number, since it is larger than the sum of its proper divisors (320687609599).

2122646551361 is a wasteful number, since it uses less digits than its factorization.

2122646551361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181548503.

The product of its digits is 518400, while the sum is 44.

The spelling of 2122646551361 in words is "two trillion, one hundred twenty-two billion, six hundred forty-six million, five hundred fifty-one thousand, three hundred sixty-one".