2122111301311 has 4 divisors (see below), whose sum is σ = 2124169606224. Its totient is φ = 2120052996400.

The previous prime is 2122111301279. The next prime is 2122111301347. The reversal of 2122111301311 is 1131031112212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122111301311 - 2⁵ = 2122111301279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111301351) 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, 1029150910 + ... + 1029152971.

It is an arithmetic number, because the mean of its divisors is an integer number (531042401556).

Almost surely, 2^{2122111301311} is an apocalyptic number.

2122111301311 is a deficient number, since it is larger than the sum of its proper divisors (2058304913).

2122111301311 is a wasteful number, since it uses less digits than its factorization.

2122111301311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058304912.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2122111301311 its reverse (1131031112212), we get a palindrome (3253142413523).

The spelling of 2122111301311 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, three hundred one thousand, three hundred eleven".