2111323622512 has 20 divisors (see below), whose sum is σ = 4405357943560. Its totient is φ = 974457056448.

The previous prime is 2111323622503. The next prime is 2111323622539. The reversal of 2111323622512 is 2152263231112.

It is a happy number.

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, 5075296962 + ... + 5075297377.

It is an arithmetic number, because the mean of its divisors is an integer number (220267897178).

Almost surely, 2^{2111323622512} is an apocalyptic number.

It is an amenable number.

2111323622512 is an abundant number, since it is smaller than the sum of its proper divisors (2294034321048).

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

2111323622512 is a wasteful number, since it uses less digits than its factorization.

2111323622512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150594360 (or 10150594354 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

Adding to 2111323622512 its reverse (2152263231112), we get a palindrome (4263586853624).

The spelling of 2111323622512 in words is "two trillion, one hundred eleven billion, three hundred twenty-three million, six hundred twenty-two thousand, five hundred twelve".