2231211213330 has 64 divisors (see below), whose sum is σ = 5842009018368. Its totient is φ = 540872615360.

The previous prime is 2231211213193. The next prime is 2231211213359. The reversal of 2231211213330 is 333121121322.

It is a super-3 number, since 3×2231211213330³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231211213330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6878047 + ... + 7195133.

It is an arithmetic number, because the mean of its divisors is an integer number (91281390912).

Almost surely, 2^{2231211213330} is an apocalyptic number.

2231211213330 is an abundant number, since it is smaller than the sum of its proper divisors (3610797805038).

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

2231211213330 is a wasteful number, since it uses less digits than its factorization.

2231211213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338431.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2231211213330 its reverse (333121121322), we get a palindrome (2564332334652).

The spelling of 2231211213330 in words is "two trillion, two hundred thirty-one billion, two hundred eleven million, two hundred thirteen thousand, three hundred thirty".