111022011011212 has 12 divisors (see below), whose sum is σ = 222044022022480. Its totient is φ = 47580861861936.

The previous prime is 111022011011159. The next prime is 111022011011237. The reversal of 111022011011212 is 212110110220111.

111022011011212 is an admirable 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, 1982535910887 + ... + 1982535910942.

Almost surely, 2^{111022011011212} is an apocalyptic number.

It is an amenable number.

111022011011212 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.

111022011011212 is a wasteful number, since it uses less digits than its factorization.

111022011011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965071821840 (or 3965071821838 counting only the distinct ones).

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

Adding to 111022011011212 its reverse (212110110220111), we get a palindrome (323132121231323).

The spelling of 111022011011212 in words is "one hundred eleven trillion, twenty-two billion, eleven million, eleven thousand, two hundred twelve".