111033213220 has 12 divisors (see below), whose sum is σ = 233169747804. Its totient is φ = 44413285280.

The previous prime is 111033213199. The next prime is 111033213229. The reversal of 111033213220 is 22312330111.

It can be written as a sum of positive squares in 2 ways, for example, as 69797412864 + 41235800356 = 264192^2 + 203066^2 .

It is not an unprimeable number, because it can be changed into a prime (111033213229) 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, 2775830311 + ... + 2775830350.

It is an arithmetic number, because the mean of its divisors is an integer number (19430812317).

Almost surely, 2^111033213220 is an apocalyptic number.

111033213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111033213220 is an abundant number, since it is smaller than the sum of its proper divisors (122136534584).

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

111033213220 is a wasteful number, since it uses less digits than its factorization.

111033213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551660670 (or 5551660668 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111033213220 its reverse (22312330111), we get a palindrome (133345543331).

The spelling of 111033213220 in words is "one hundred eleven billion, thirty-three million, two hundred thirteen thousand, two hundred twenty".