2311120112221 has 8 divisors (see below), whose sum is σ = 2316339979200. Its totient is φ = 2305900568832.

The previous prime is 2311120112177. The next prime is 2311120112251. The reversal of 2311120112221 is 1222110211132.

2311120112221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2311120112221 - 2³⁷ = 2173681158749 is a prime.

It is a super-2 number, since 2×2311120112221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311120112251) 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, 19599786 + ... + 19717348.

It is an arithmetic number, because the mean of its divisors is an integer number (289542497400).

Almost surely, 2^{2311120112221} is an apocalyptic number.

It is an amenable number.

2311120112221 is a deficient number, since it is larger than the sum of its proper divisors (5219866979).

2311120112221 is a wasteful number, since it uses less digits than its factorization.

2311120112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161795.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2311120112221 its reverse (1222110211132), we get a palindrome (3533230323353).

The spelling of 2311120112221 in words is "two trillion, three hundred eleven billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-one".