111202011111212 has 36 divisors (see below), whose sum is σ = 227103418314864. Its totient is φ = 47504763563040.

The previous prime is 111202011111203. The next prime is 111202011111259. The reversal of 111202011111212 is 212111110202111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912088883 + ... + 912210794.

It is an arithmetic number, because the mean of its divisors is an integer number (6308428286524).

Almost surely, 2^{111202011111212} is an apocalyptic number.

It is an amenable number.

111202011111212 is an abundant number, since it is smaller than the sum of its proper divisors (115901407203652).

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

111202011111212 is a wasteful number, since it uses less digits than its factorization.

111202011111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824300006 (or 1824299997 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111202011111212 its reverse (212111110202111), we get a palindrome (323313121313323).

The spelling of 111202011111212 in words is "one hundred eleven trillion, two hundred two billion, eleven million, one hundred eleven thousand, two hundred twelve".