111211122010112 has 48 divisors (see below), whose sum is σ = 223699486963680. Its totient is φ = 55272593403904.

The previous prime is 111211122010099. The next prime is 111211122010133. The reversal of 111211122010112 is 211010221112111.

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, 162239738 + ... + 162923769.

It is an arithmetic number, because the mean of its divisors is an integer number (4660405978410).

Almost surely, 2^{111211122010112} is an apocalyptic number.

It is an amenable number.

111211122010112 is an abundant number, since it is smaller than the sum of its proper divisors (112488364953568).

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

111211122010112 is an equidigital number, since it uses as much as digits as its factorization.

111211122010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325163696 (or 325163676 counting only the distinct ones).

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

Adding to 111211122010112 its reverse (211010221112111), we get a palindrome (322221343122223).

The spelling of 111211122010112 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred twenty-two million, ten thousand, one hundred twelve".