111010222000 has 80 divisors (see below), whose sum is σ = 268859354400. Its totient is φ = 44331859200.

The previous prime is 111010221991. The next prime is 111010222007. The reversal of 111010222000 is 222010111.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (111010222007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193166 + ... + 1282834.

It is an arithmetic number, because the mean of its divisors is an integer number (3360741930).

Almost surely, 2^111010222000 is an apocalyptic number.

111010222000 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 111010222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134429677200).

111010222000 is an abundant number, since it is smaller than the sum of its proper divisors (157849132400).

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

111010222000 is an equidigital number, since it uses as much as digits as its factorization.

111010222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90311 (or 90295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111010222000 its reverse (222010111), we get a palindrome (111232232111).

The spelling of 111010222000 in words is "one hundred eleven billion, ten million, two hundred twenty-two thousand".