111121100002201 has 4 divisors (see below), whose sum is σ = 113831370734004. Its totient is φ = 108410829270400.

The previous prime is 111121100002193. The next prime is 111121100002261. The reversal of 111121100002201 is 102200001121111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36263580705625 + 74857519296576 = 6021925^2 + 8652024^2 .

It is a cyclic number.

It is not a de Polignac number, because 111121100002201 - 2³ = 111121100002193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111121100002261) 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, 1355135365840 + ... + 1355135365921.

It is an arithmetic number, because the mean of its divisors is an integer number (28457842683501).

Almost surely, 2^{111121100002201} is an apocalyptic number.

It is an amenable number.

111121100002201 is a deficient number, since it is larger than the sum of its proper divisors (2710270731803).

111121100002201 is an equidigital number, since it uses as much as digits as its factorization.

111121100002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710270731802.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111121100002201 its reverse (102200001121111), we get a palindrome (213321101123312).

The spelling of 111121100002201 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred million, two thousand, two hundred one".