111120100022000 has 320 divisors, whose sum is σ = 276395960026368. Its totient is φ = 43182397440000.

The previous prime is 111120100021991. The next prime is 111120100022021. The reversal of 111120100022000 is 220001021111.

It is a congruent number.

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, 40988600645 + ... + 40988603355.

Almost surely, 2^{111120100022000} is an apocalyptic number.

111120100022000 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 111120100022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138197980013184).

111120100022000 is an abundant number, since it is smaller than the sum of its proper divisors (165275860004368).

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

111120100022000 is a wasteful number, since it uses less digits than its factorization.

111120100022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111120100022000 its reverse (220001021111), we get a palindrome (111340101043111).

The spelling of 111120100022000 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred million, twenty-two thousand".