111021102202112 has 72 divisors (see below), whose sum is σ = 222194272154400. Its totient is φ = 55363849275392.

The previous prime is 111021102202079. The next prime is 111021102202169. The reversal of 111021102202112 is 211202201120111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767285839 + ... + 1767348657.

It is an arithmetic number, because the mean of its divisors is an integer number (3086031557700).

Almost surely, 2^{111021102202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111021102202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111097136077200).

111021102202112 is an abundant number, since it is smaller than the sum of its proper divisors (111173169952288).

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

111021102202112 is an equidigital number, since it uses as much as digits as its factorization.

111021102202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80971 (or 80957 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111021102202112 its reverse (211202201120111), we get a palindrome (322223303322223).

The spelling of 111021102202112 in words is "one hundred eleven trillion, twenty-one billion, one hundred two million, two hundred two thousand, one hundred twelve".