111202111323012 has 48 divisors (see below), whose sum is σ = 260908728080000. Its totient is φ = 36862071079680.

The previous prime is 111202111322987. The next prime is 111202111323049. The reversal of 111202111323012 is 210323111202111.

It is a super-2 number, since 2×111202111323012² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111202111323012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178398864 + ... + 179021112.

Almost surely, 2^{111202111323012} is an apocalyptic number.

111202111323012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111202111323012 is an abundant number, since it is smaller than the sum of its proper divisors (149706616756988).

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

111202111323012 is a wasteful number, since it uses less digits than its factorization.

111202111323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704716 (or 704714 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 111202111323012 its reverse (210323111202111), we get a palindrome (321525222525123).

The spelling of 111202111323012 in words is "one hundred eleven trillion, two hundred two billion, one hundred eleven million, three hundred twenty-three thousand, twelve".