111201022002 has 128 divisors (see below), whose sum is σ = 264783790080. Its totient is φ = 30465630720.

The previous prime is 111201021937. The next prime is 111201022007. The reversal of 111201022002 is 200220102111.

It is not an unprimeable number, because it can be changed into a prime (111201022007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86268574 + ... + 86269862.

It is an arithmetic number, because the mean of its divisors is an integer number (2068623360).

Almost surely, 2^111201022002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111201022002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132391895040).

111201022002 is an abundant number, since it is smaller than the sum of its proper divisors (153582768078).

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

111201022002 is a wasteful number, since it uses less digits than its factorization.

111201022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111201022002 its reverse (200220102111), we get a palindrome (311421124113).

The spelling of 111201022002 in words is "one hundred eleven billion, two hundred one million, twenty-two thousand, two".