2232211111131 has 4 divisors (see below), whose sum is σ = 2976281481512. Its totient is φ = 1488140740752.

The previous prime is 2232211111121. The next prime is 2232211111187. The reversal of 2232211111131 is 1311111122322.

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

It is not a de Polignac number, because 2232211111131 - 2⁷ = 2232211111003 is a prime.

It is a super-3 number, since 3×2232211111131³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2232211111098 and 2232211111107.

It is not an unprimeable number, because it can be changed into a prime (2232211111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372035185186 + ... + 372035185191.

It is an arithmetic number, because the mean of its divisors is an integer number (744070370378).

Almost surely, 2^{2232211111131} is an apocalyptic number.

2232211111131 is a deficient number, since it is larger than the sum of its proper divisors (744070370381).

2232211111131 is an equidigital number, since it uses as much as digits as its factorization.

2232211111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744070370380.

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

Adding to 2232211111131 its reverse (1311111122322), we get a palindrome (3543322233453).

The spelling of 2232211111131 in words is "two trillion, two hundred thirty-two billion, two hundred eleven million, one hundred eleven thousand, one hundred thirty-one".