2311120322121 has 16 divisors (see below), whose sum is σ = 3318559009920. Its totient is φ = 1422216205440.

The previous prime is 2311120322099. The next prime is 2311120322143. The reversal of 2311120322121 is 1212230211132.

It is an interprime number because it is at equal distance from previous prime (2311120322099) and next prime (2311120322143).

It is not a de Polignac number, because 2311120322121 - 2¹¹ = 2311120320073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311120322171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9298141 + ... + 9543461.

It is an arithmetic number, because the mean of its divisors is an integer number (207409938120).

Almost surely, 2^{2311120322121} is an apocalyptic number.

It is an amenable number.

2311120322121 is a deficient number, since it is larger than the sum of its proper divisors (1007438687799).

2311120322121 is a wasteful number, since it uses less digits than its factorization.

2311120322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486896.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2311120322121 its reverse (1212230211132), we get a palindrome (3523350533253).

The spelling of 2311120322121 in words is "two trillion, three hundred eleven billion, one hundred twenty million, three hundred twenty-two thousand, one hundred twenty-one".