111021023134312 has 16 divisors (see below), whose sum is σ = 208453937745600. Its totient is φ = 55433306402160.

The previous prime is 111021023134193. The next prime is 111021023134319. The reversal of 111021023134312 is 213431320120111.

It is not an unprimeable number, because it can be changed into a prime (111021023134319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9650639514 + ... + 9650651017.

It is an arithmetic number, because the mean of its divisors is an integer number (13028371109100).

Almost surely, 2^{111021023134312} is an apocalyptic number.

It is an amenable number.

111021023134312 is a deficient number, since it is larger than the sum of its proper divisors (97432914611288).

111021023134312 is a wasteful number, since it uses less digits than its factorization.

111021023134312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19301291256 (or 19301291252 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111021023134312 its reverse (213431320120111), we get a palindrome (324452343254423).

The spelling of 111021023134312 in words is "one hundred eleven trillion, twenty-one billion, twenty-three million, one hundred thirty-four thousand, three hundred twelve".