111020222012 has 12 divisors (see below), whose sum is σ = 222040444080. Its totient is φ = 47580095136.

The previous prime is 111020222003. The next prime is 111020222081. The reversal of 111020222012 is 210222020111.

111020222012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 1982503937 + ... + 1982503992.

It is an arithmetic number, because the mean of its divisors is an integer number (18503370340).

Almost surely, 2^111020222012 is an apocalyptic number.

It is an amenable number.

111020222012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111020222012 is a wasteful number, since it uses less digits than its factorization.

111020222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965007940 (or 3965007938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111020222012 its reverse (210222020111), we get a palindrome (321242242123).

The spelling of 111020222012 in words is "one hundred eleven billion, twenty million, two hundred twenty-two thousand, twelve".