2211113320312 has 32 divisors (see below), whose sum is σ = 4465700804880. Its totient is φ = 1020296067840.

The previous prime is 2211113320277. The next prime is 2211113320321. The reversal of 2211113320312 is 2130233111122.

It is a super-2 number, since 2×2211113320312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778253 + ... + 2753980.

Almost surely, 2^{2211113320312} is an apocalyptic number.

It is an amenable number.

2211113320312 is an abundant number, since it is smaller than the sum of its proper divisors (2254587484568).

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

2211113320312 is a wasteful number, since it uses less digits than its factorization.

2211113320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536943 (or 4536939 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2211113320312 its reverse (2130233111122), we get a palindrome (4341346431434).

The spelling of 2211113320312 in words is "two trillion, two hundred eleven billion, one hundred thirteen million, three hundred twenty thousand, three hundred twelve".