111202122222200 has 48 divisors (see below), whose sum is σ = 262783375739160. Its totient is φ = 43751654640000.

The previous prime is 111202122222193. The next prime is 111202122222227. The reversal of 111202122222200 is 2222221202111.

It is a super-2 number, since 2×111202122222200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4557451826 + ... + 4557476225.

Almost surely, 2^{111202122222200} is an apocalyptic number.

111202122222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202122222200 is an abundant number, since it is smaller than the sum of its proper divisors (151581253516960).

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

111202122222200 is a wasteful number, since it uses less digits than its factorization.

111202122222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114928128 (or 9114928119 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 111202122222200 its reverse (2222221202111), we get a palindrome (113424343424311).

The spelling of 111202122222200 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred".