111122112222000 has 320 divisors, whose sum is σ = 434251747537920. Its totient is φ = 26938693728000.

The previous prime is 111122112221993. The next prime is 111122112222029. The reversal of 111122112222000 is 222211221111.

111122112222000 is a `hidden beast` number, since 11 + 11 + 221 + 1 + 222 + 200 + 0 = 666.

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

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92943132 + ... + 94131131.

It is an arithmetic number, because the mean of its divisors is an integer number (1357036711056).

Almost surely, 2^{111122112222000} is an apocalyptic number.

111122112222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122112222000 is an abundant number, since it is smaller than the sum of its proper divisors (323129635315920).

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

111122112222000 is a wasteful number, since it uses less digits than its factorization.

111122112222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187074306 (or 187074284 counting only the distinct ones).

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

Adding to 111122112222000 its reverse (222211221111), we get a palindrome (111344323443111).

The spelling of 111122112222000 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand".