111011020000 has 120 divisors (see below), whose sum is σ = 289169573616. Its totient is φ = 41792256000.

The previous prime is 111011019907. The next prime is 111011020013. The reversal of 111011020000 is 20110111.

It is a super-2 number, since 2×111011020000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 176749 + ... + 503251.

Almost surely, 2^111011020000 is an apocalyptic number.

111011020000 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 111011020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144584786808).

111011020000 is an abundant number, since it is smaller than the sum of its proper divisors (178158553616).

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

111011020000 is an equidigital number, since it uses as much as digits as its factorization.

111011020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326550 (or 326527 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 111011020000 its reverse (20110111), we get a palindrome (111031130111).

The spelling of 111011020000 in words is "one hundred eleven billion, eleven million, twenty thousand".