111222130020 has 96 divisors (see below), whose sum is σ = 312302678016. Its totient is φ = 29575497600.

The previous prime is 111222130003. The next prime is 111222130021. The reversal of 111222130020 is 20031222111.

111222130020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×111222130020⁴ (a number of 45 digits) contains 4444 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (111222130021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41085507 + ... + 41088213.

It is an arithmetic number, because the mean of its divisors is an integer number (3253152896).

Almost surely, 2^111222130020 is an apocalyptic number.

111222130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222130020 is an abundant number, since it is smaller than the sum of its proper divisors (201080547996).

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

111222130020 is a wasteful number, since it uses less digits than its factorization.

111222130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4399 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111222130020 its reverse (20031222111), we get a palindrome (131253352131).

The spelling of 111222130020 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred thirty thousand, twenty".