111120022002220 has 192 divisors, whose sum is σ = 291801794457600. Its totient is φ = 34531345981440.

The previous prime is 111120022002191. The next prime is 111120022002221. The reversal of 111120022002220 is 22200220021111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111120022002194 and 111120022002203.

It is not an unprimeable number, because it can be changed into a prime (111120022002221) 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, 4908333661 + ... + 4908356299.

It is an arithmetic number, because the mean of its divisors is an integer number (1519801012800).

Almost surely, 2^{111120022002220} is an apocalyptic number.

111120022002220 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 111120022002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145900897228800).

111120022002220 is an abundant number, since it is smaller than the sum of its proper divisors (180681772455380).

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

111120022002220 is a wasteful number, since it uses less digits than its factorization.

111120022002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32048 (or 32046 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111120022002220 its reverse (22200220021111), we get a palindrome (133320242023331).

The spelling of 111120022002220 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-two million, two thousand, two hundred twenty".