2231211121113 has 16 divisors (see below), whose sum is σ = 3203819548160. Its totient is φ = 1373040474624.

The previous prime is 2231211121099. The next prime is 2231211121127. The reversal of 2231211121113 is 3111211121322.

It is an interprime number because it is at equal distance from previous prime (2231211121099) and next prime (2231211121127).

It is not a de Polignac number, because 2231211121113 - 2⁶ = 2231211121049 is a prime.

It is a super-3 number, since 3×2231211121113³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231211121113.

It is not an unprimeable number, because it can be changed into a prime (2231211121133) 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, 5928873 + ... + 6293961.

It is an arithmetic number, because the mean of its divisors is an integer number (200238721760).

Almost surely, 2^{2231211121113} is an apocalyptic number.

It is an amenable number.

2231211121113 is a deficient number, since it is larger than the sum of its proper divisors (972608427047).

2231211121113 is a wasteful number, since it uses less digits than its factorization.

2231211121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521808.

The product of its digits is 144, while the sum is 21.

Adding to 2231211121113 its reverse (3111211121322), we get a palindrome (5342422242435).

The spelling of 2231211121113 in words is "two trillion, two hundred thirty-one billion, two hundred eleven million, one hundred twenty-one thousand, one hundred thirteen".