111102020011000 has 64 divisors (see below), whose sum is σ = 259981984604160. Its totient is φ = 44440251120000.

The previous prime is 111102020010983. The next prime is 111102020011039. The reversal of 111102020011000 is 110020201111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84337390 + ... + 85644610.

It is an arithmetic number, because the mean of its divisors is an integer number (4062218509440).

Almost surely, 2^{111102020011000} is an apocalyptic number.

111102020011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102020011000 is an abundant number, since it is smaller than the sum of its proper divisors (148879964593160).

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

111102020011000 is a wasteful number, since it uses less digits than its factorization.

111102020011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392233 (or 1392219 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111102020011000 its reverse (110020201111), we get a palindrome (111212040212111).

The spelling of 111102020011000 in words is "one hundred eleven trillion, one hundred two billion, twenty million, eleven thousand".