111220200210212 has 12 divisors (see below), whose sum is σ = 196420995784860. Its totient is φ = 55099915700256.

The previous prime is 111220200210127. The next prime is 111220200210277. The reversal of 111220200210212 is 212012002022111.

It can be written as a sum of positive squares in 2 ways, for example, as 56808539676736 + 54411660533476 = 7537144^2 + 7376426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127546100723 + ... + 127546101594.

It is an arithmetic number, because the mean of its divisors is an integer number (16368416315405).

Almost surely, 2^{111220200210212} is an apocalyptic number.

It is an amenable number.

111220200210212 is a deficient number, since it is larger than the sum of its proper divisors (85200795574648).

111220200210212 is a wasteful number, since it uses less digits than its factorization.

111220200210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255092202430 (or 255092202428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111220200210212 its reverse (212012002022111), we get a palindrome (323232202232323).

The spelling of 111220200210212 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred million, two hundred ten thousand, two hundred twelve".