2122454664011 has 4 divisors (see below), whose sum is σ = 2315405088024. Its totient is φ = 1929504240000.

The previous prime is 2122454663951. The next prime is 2122454664049. The reversal of 2122454664011 is 1104664542212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122454664011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122454654011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96475211990 + ... + 96475212011.

It is an arithmetic number, because the mean of its divisors is an integer number (578851272006).

Almost surely, 2^{2122454664011} is an apocalyptic number.

2122454664011 is a deficient number, since it is larger than the sum of its proper divisors (192950424013).

2122454664011 is a wasteful number, since it uses less digits than its factorization.

2122454664011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192950424012.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 2122454664011 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-four million, six hundred sixty-four thousand, eleven".