2231231111000 has 64 divisors (see below), whose sum is σ = 5348424332160. Its totient is φ = 870724320000.

The previous prime is 2231231110993. The next prime is 2231231111009. The reversal of 2231231111000 is 1111321322.

It is a super-3 number, since 3×2231231111000³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231231111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231231111009) 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, 27169136 + ... + 27251135.

It is an arithmetic number, because the mean of its divisors is an integer number (83569130190).

Almost surely, 2^{2231231111000} is an apocalyptic number.

2231231111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231231111000 is an abundant number, since it is smaller than the sum of its proper divisors (3117193221160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231231111000 is a wasteful number, since it uses less digits than its factorization.

2231231111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54420333 (or 54420319 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2231231111000 its reverse (1111321322), we get a palindrome (2232342432322).

The spelling of 2231231111000 in words is "two trillion, two hundred thirty-one billion, two hundred thirty-one million, one hundred eleven thousand".