2111334243512 has 64 divisors (see below), whose sum is σ = 4279532974080. Its totient is φ = 970749868032.

The previous prime is 2111334243509. The next prime is 2111334243527. The reversal of 2111334243512 is 2153424331112.

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 15 ways as a sum of consecutive naturals, for example, 42488393 + ... + 42538055.

It is an arithmetic number, because the mean of its divisors is an integer number (66867702720).

Almost surely, 2^{2111334243512} is an apocalyptic number.

It is an amenable number.

2111334243512 is an abundant number, since it is smaller than the sum of its proper divisors (2168198730568).

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

2111334243512 is a wasteful number, since it uses less digits than its factorization.

2111334243512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51232 (or 51228 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 2111334243512 its reverse (2153424331112), we get a palindrome (4264758574624).

The spelling of 2111334243512 in words is "two trillion, one hundred eleven billion, three hundred thirty-four million, two hundred forty-three thousand, five hundred twelve".