111222003012020 has 12 divisors (see below), whose sum is σ = 233566206325284. Its totient is φ = 44488801204800.

The previous prime is 111222003012013. The next prime is 111222003012023. The reversal of 111222003012020 is 20210300222111.

It can be written as a sum of positive squares in 2 ways, for example, as 83477532652816 + 27744470359204 = 9136604^2 + 5267302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111222003012020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222003012023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780550075281 + ... + 2780550075320.

It is an arithmetic number, because the mean of its divisors is an integer number (19463850527107).

Almost surely, 2^{111222003012020} is an apocalyptic number.

111222003012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222003012020 is an abundant number, since it is smaller than the sum of its proper divisors (122344203313264).

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

111222003012020 is a wasteful number, since it uses less digits than its factorization.

111222003012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561100150610 (or 5561100150608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111222003012020 its reverse (20210300222111), we get a palindrome (131432303234131).

The spelling of 111222003012020 in words is "one hundred eleven trillion, two hundred twenty-two billion, three million, twelve thousand, twenty".