111122222202200 has 192 divisors, whose sum is σ = 282730695505920. Its totient is φ = 40281386112000.

The previous prime is 111122222202191. The next prime is 111122222202247. The reversal of 111122222202200 is 2202222221111.

It is a super-2 number, since 2×111122222202200² (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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2053191140 + ... + 2053245260.

It is an arithmetic number, because the mean of its divisors is an integer number (1472555705760).

Almost surely, 2^{111122222202200} is an apocalyptic number.

111122222202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111122222202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141365347752960).

111122222202200 is an abundant number, since it is smaller than the sum of its proper divisors (171608473303720).

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

111122222202200 is a wasteful number, since it uses less digits than its factorization.

111122222202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57058 (or 57049 counting only the distinct ones).

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

Adding to 111122222202200 its reverse (2202222221111), we get a palindrome (113324444423311).

The spelling of 111122222202200 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred".