111222222102201 has 8 divisors (see below), whose sum is σ = 169481481298624. Its totient is φ = 63555555486960.

The previous prime is 111222222102197. The next prime is 111222222102247. The reversal of 111222222102201 is 102201222222111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111222222102201 - 2² = 111222222102197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5296296290581 = 111222222102201 / (1 + 1 + 1 + 2 + 2 + 2 + 2 + 2 + 2 + 1 + 0 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222222102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648148145270 + ... + 2648148145311.

It is an arithmetic number, because the mean of its divisors is an integer number (21185185162328).

Almost surely, 2^{111222222102201} is an apocalyptic number.

It is an amenable number.

111222222102201 is a deficient number, since it is larger than the sum of its proper divisors (58259259196423).

111222222102201 is an equidigital number, since it uses as much as digits as its factorization.

111222222102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296296290591.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111222222102201 its reverse (102201222222111), we get a palindrome (213423444324312).

The spelling of 111222222102201 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, two hundred one".