2111244444331 has 16 divisors (see below), whose sum is σ = 2447933379840. Its totient is φ = 1800643266720.

The previous prime is 2111244444311. The next prime is 2111244444343. The reversal of 2111244444331 is 1334444421112.

It is a cyclic number.

It is not a de Polignac number, because 2111244444331 - 2⁵ = 2111244444299 is a prime.

It is a super-2 number, since 2×2111244444331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111244444311) 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, 49015600 + ... + 49058653.

It is an arithmetic number, because the mean of its divisors is an integer number (152995836240).

Almost surely, 2^{2111244444331} is an apocalyptic number.

2111244444331 is a deficient number, since it is larger than the sum of its proper divisors (336688935509).

2111244444331 is a wasteful number, since it uses less digits than its factorization.

2111244444331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98074386.

The product of its digits is 36864, while the sum is 34.

Adding to 2111244444331 its reverse (1334444421112), we get a palindrome (3445688865443).

The spelling of 2111244444331 in words is "two trillion, one hundred eleven billion, two hundred forty-four million, four hundred forty-four thousand, three hundred thirty-one".