2232111212331 has 128 divisors (see below), whose sum is σ = 4105789212672. Its totient is φ = 1040947200000.

The previous prime is 2232111212323. The next prime is 2232111212347. The reversal of 2232111212331 is 1332121112322.

It is not a de Polignac number, because 2232111212331 - 2³ = 2232111212323 is a prime.

It is a super-3 number, since 3×2232111212331³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2232111212831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 444552601 + ... + 444557621.

It is an arithmetic number, because the mean of its divisors is an integer number (32076478224).

Almost surely, 2^{2232111212331} is an apocalyptic number.

2232111212331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2232111212331 is a deficient number, since it is larger than the sum of its proper divisors (1873678000341).

2232111212331 is a wasteful number, since it uses less digits than its factorization.

2232111212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093.

The product of its digits is 864, while the sum is 24.

Adding to 2232111212331 its reverse (1332121112322), we get a palindrome (3564232324653).

It can be divided in two parts, 2232111 and 212331, that added together give a palindrome (2444442).

The spelling of 2232111212331 in words is "two trillion, two hundred thirty-two billion, one hundred eleven million, two hundred twelve thousand, three hundred thirty-one".