111133022212 has 6 divisors (see below), whose sum is σ = 194482788878. Its totient is φ = 55566511104.

The previous prime is 111133022159. The next prime is 111133022219. The reversal of 111133022212 is 212220331111.

It can be written as a sum of positive squares in only one way, i.e., 111064893696 + 68128516 = 333264^2 + 8254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111133022212.

It is not an unprimeable number, because it can be changed into a prime (111133022219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891627773 + ... + 13891627780.

Almost surely, 2^111133022212 is an apocalyptic number.

It is an amenable number.

111133022212 is a deficient number, since it is larger than the sum of its proper divisors (83349766666).

111133022212 is a wasteful number, since it uses less digits than its factorization.

111133022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27783255557 (or 27783255555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111133022212 its reverse (212220331111), we get a palindrome (323353353323).

The spelling of 111133022212 in words is "one hundred eleven billion, one hundred thirty-three million, twenty-two thousand, two hundred twelve".