2122453654291 has 2 divisors, whose sum is σ = 2122453654292. Its totient is φ = 2122453654290.

The previous prime is 2122453654271. The next prime is 2122453654357. The reversal of 2122453654291 is 1924563542212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122453654291 - 2¹¹ = 2122453652243 is a prime.

It is a super-2 number, since 2×2122453654291² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2122453654271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061226827145 + 1061226827146.

It is an arithmetic number, because the mean of its divisors is an integer number (1061226827146).

Almost surely, 2^{2122453654291} is an apocalyptic number.

2122453654291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122453654291 is an equidigital number, since it uses as much as digits as its factorization.

2122453654291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The spelling of 2122453654291 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-three million, six hundred fifty-four thousand, two hundred ninety-one".