2211323121304 has 16 divisors (see below), whose sum is σ = 4523160930120. Its totient is φ = 1005146873280.

The previous prime is 2211323121233. The next prime is 2211323121323. The reversal of 2211323121304 is 4031213231122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12564335829 + ... + 12564336004.

Almost surely, 2^{2211323121304} is an apocalyptic number.

It is an amenable number.

2211323121304 is an abundant number, since it is smaller than the sum of its proper divisors (2311837808816).

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

2211323121304 is a wasteful number, since it uses less digits than its factorization.

2211323121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25128671850 (or 25128671846 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2211323121304 its reverse (4031213231122), we get a palindrome (6242536352426).

The spelling of 2211323121304 in words is "two trillion, two hundred eleven billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred four".