111010112211212 has 24 divisors (see below), whose sum is σ = 203527446958080. Its totient is φ = 52912860414480.

The previous prime is 111010112211137. The next prime is 111010112211241. The reversal of 111010112211212 is 212112211010111.

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, 6680908412 + ... + 6680925027.

It is an arithmetic number, because the mean of its divisors is an integer number (8480310289920).

Almost surely, 2^{111010112211212} is an apocalyptic number.

It is an amenable number.

111010112211212 is a deficient number, since it is larger than the sum of its proper divisors (92517334746868).

111010112211212 is a wasteful number, since it uses less digits than its factorization.

111010112211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361833541 (or 13361833539 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111010112211212 its reverse (212112211010111), we get a palindrome (323122323221323).

The spelling of 111010112211212 in words is "one hundred eleven trillion, ten billion, one hundred twelve million, two hundred eleven thousand, two hundred twelve".