111022021012 has 12 divisors (see below), whose sum is σ = 222044042080. Its totient is φ = 47580866136.

The previous prime is 111022021009. The next prime is 111022021069. The reversal of 111022021012 is 210120220111.

111022021012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 111022020983 and 111022021001.

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, 1982536062 + ... + 1982536117.

Almost surely, 2^111022021012 is an apocalyptic number.

It is an amenable number.

111022021012 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.

111022021012 is a wasteful number, since it uses less digits than its factorization.

111022021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965072190 (or 3965072188 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111022021012 its reverse (210120220111), we get a palindrome (321142241123).

The spelling of 111022021012 in words is "one hundred eleven billion, twenty-two million, twenty-one thousand, twelve".