111132213033220 has 96 divisors (see below), whose sum is σ = 240602425176960. Its totient is φ = 43092505128960.

The previous prime is 111132213033211. The next prime is 111132213033221. The reversal of 111132213033220 is 22330312231111.

It is not an unprimeable number, because it can be changed into a prime (111132213033221) 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, 365760084 + ... + 366063796.

It is an arithmetic number, because the mean of its divisors is an integer number (2506275262260).

Almost surely, 2^{111132213033220} is an apocalyptic number.

111132213033220 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 111132213033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120301212588480).

111132213033220 is an abundant number, since it is smaller than the sum of its proper divisors (129470212143740).

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

111132213033220 is a wasteful number, since it uses less digits than its factorization.

111132213033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306965 (or 306963 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 111132213033220 its reverse (22330312231111), we get a palindrome (133462525264331).

The spelling of 111132213033220 in words is "one hundred eleven trillion, one hundred thirty-two billion, two hundred thirteen million, thirty-three thousand, two hundred twenty".