111022112122100 has 288 divisors, whose sum is σ = 247283821572480. Its totient is φ = 43256199168000.

The previous prime is 111022112122091. The next prime is 111022112122127. The reversal of 111022112122100 is 1221211220111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 187221099404 + ... + 187221099996.

It is an arithmetic number, because the mean of its divisors is an integer number (858624380460).

Almost surely, 2^{111022112122100} is an apocalyptic number.

111022112122100 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 111022112122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123641910786240).

111022112122100 is an abundant number, since it is smaller than the sum of its proper divisors (136261709450380).

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

111022112122100 is a wasteful number, since it uses less digits than its factorization.

111022112122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111022112122100 its reverse (1221211220111), we get a palindrome (112243323342211).

The spelling of 111022112122100 in words is "one hundred eleven trillion, twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, one hundred".