111021102212 has 24 divisors (see below), whose sum is σ = 203002126656. Its totient is φ = 53026874208.

The previous prime is 111021102169. The next prime is 111021102239. The reversal of 111021102212 is 212201120111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727418 + ... + 866705.

It is an arithmetic number, because the mean of its divisors is an integer number (8458421944).

Almost surely, 2^111021102212 is an apocalyptic number.

It is an amenable number.

111021102212 is a deficient number, since it is larger than the sum of its proper divisors (91981024444).

111021102212 is a wasteful number, since it uses less digits than its factorization.

111021102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594907 (or 1594905 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111021102212 its reverse (212201120111), we get a palindrome (323222222323).

The spelling of 111021102212 in words is "one hundred eleven billion, twenty-one million, one hundred two thousand, two hundred twelve".