111002022211020 has 144 divisors (see below), whose sum is σ = 325199561793120. Its totient is φ = 28288019606528.

The previous prime is 111002022210991. The next prime is 111002022211037. The reversal of 111002022211020 is 20112220200111.

111002022211020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33622912 + ... + 36776408.

It is an arithmetic number, because the mean of its divisors is an integer number (2258330290230).

Almost surely, 2^{111002022211020} is an apocalyptic number.

111002022211020 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 111002022211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162599780896560).

111002022211020 is an abundant number, since it is smaller than the sum of its proper divisors (214197539582100).

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

111002022211020 is a wasteful number, since it uses less digits than its factorization.

111002022211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154664 (or 3154639 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111002022211020 its reverse (20112220200111), we get a palindrome (131114242411131).

The spelling of 111002022211020 in words is "one hundred eleven trillion, two billion, twenty-two million, two hundred eleven thousand, twenty".