111020111202212 has 12 divisors (see below), whose sum is σ = 200984684073180. Its totient is φ = 53595915752736.

The previous prime is 111020111202179. The next prime is 111020111202269. The reversal of 111020111202212 is 212202111020111.

It can be written as a sum of positive squares in 2 ways, for example, as 26308446438976 + 84711664763236 = 5129176^2 + 9203894^2 .

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, 478534961963 + ... + 478534962194.

It is an arithmetic number, because the mean of its divisors is an integer number (16748723672765).

Almost surely, 2^{111020111202212} is an apocalyptic number.

It is an amenable number.

111020111202212 is a deficient number, since it is larger than the sum of its proper divisors (89964572870968).

111020111202212 is a wasteful number, since it uses less digits than its factorization.

111020111202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957069924190 (or 957069924188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111020111202212 its reverse (212202111020111), we get a palindrome (323222222222323).

The spelling of 111020111202212 in words is "one hundred eleven trillion, twenty billion, one hundred eleven million, two hundred two thousand, two hundred twelve".