111020212222112 has 12 divisors (see below), whose sum is σ = 218571042812346. Its totient is φ = 55510106111040.

The previous prime is 111020212222093. The next prime is 111020212222177. The reversal of 111020212222112 is 211222212020111.

It can be written as a sum of positive squares in only one way, i.e., 88510539264016 + 22509672958096 = 9408004^2 + 4744436^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734690815939 + ... + 1734690816002.

Almost surely, 2^{111020212222112} is an apocalyptic number.

It is an amenable number.

111020212222112 is a deficient number, since it is larger than the sum of its proper divisors (107550830590234).

111020212222112 is an equidigital number, since it uses as much as digits as its factorization.

111020212222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469381631951 (or 3469381631943 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111020212222112 its reverse (211222212020111), we get a palindrome (322242424242223).

The spelling of 111020212222112 in words is "one hundred eleven trillion, twenty billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twelve".