111202011022212 has 72 divisors (see below), whose sum is σ = 319980490240320. Its totient is φ = 32232466960320.

The previous prime is 111202011022163. The next prime is 111202011022213. The reversal of 111202011022212 is 212220110202111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111202011022213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6104624787 + ... + 6104643002.

It is an arithmetic number, because the mean of its divisors is an integer number (4444173475560).

Almost surely, 2^{111202011022212} is an apocalyptic number.

111202011022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111202011022212 is an abundant number, since it is smaller than the sum of its proper divisors (208778479218108).

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

111202011022212 is a wasteful number, since it uses less digits than its factorization.

111202011022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209267833 (or 12209267828 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111202011022212 its reverse (212220110202111), we get a palindrome (323422121224323).

The spelling of 111202011022212 in words is "one hundred eleven trillion, two hundred two billion, eleven million, twenty-two thousand, two hundred twelve".