111200001202221 has 4 divisors (see below), whose sum is σ = 148266668269632. Its totient is φ = 74133334134812.

The previous prime is 111200001202217. The next prime is 111200001202259. The reversal of 111200001202221 is 122202100002111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111200001202221 - 2² = 111200001202217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111200001202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200001202421) 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, 18533333533701 + ... + 18533333533706.

It is an arithmetic number, because the mean of its divisors is an integer number (37066667067408).

Almost surely, 2^{111200001202221} is an apocalyptic number.

It is an amenable number.

111200001202221 is a deficient number, since it is larger than the sum of its proper divisors (37066667067411).

111200001202221 is an equidigital number, since it uses as much as digits as its factorization.

111200001202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066667067410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111200001202221 its reverse (122202100002111), we get a palindrome (233402101204332).

The spelling of 111200001202221 in words is "one hundred eleven trillion, two hundred billion, one million, two hundred two thousand, two hundred twenty-one".