111002122122200 has 192 divisors, whose sum is σ = 272177229542400. Its totient is φ = 41984424921600.

The previous prime is 111002122122193. The next prime is 111002122122289. The reversal of 111002122122200 is 2221221200111.

It is a super-2 number, since 2×111002122122200² (a number of 29 digits) contains 22 as substring.

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, 4924442930 + ... + 4924465470.

It is an arithmetic number, because the mean of its divisors is an integer number (1417589737200).

Almost surely, 2^{111002122122200} is an apocalyptic number.

111002122122200 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 111002122122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136088614771200).

111002122122200 is an abundant number, since it is smaller than the sum of its proper divisors (161175107420200).

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

111002122122200 is a wasteful number, since it uses less digits than its factorization.

111002122122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24970 (or 24961 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111002122122200 its reverse (2221221200111), we get a palindrome (113223343322311).

The spelling of 111002122122200 in words is "one hundred eleven trillion, two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred".