22222111210201 has 4 divisors (see below), whose sum is σ = 25396698525952. Its totient is φ = 19047523894452.

The previous prime is 22222111210177. The next prime is 22222111210267. The reversal of 22222111210201 is 10201211122222.

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 22222111210201 - 2⁷ = 22222111210073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222111610201) 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, 1587293657865 + ... + 1587293657878.

It is an arithmetic number, because the mean of its divisors is an integer number (6349174631488).

Almost surely, 2^{22222111210201} is an apocalyptic number.

It is an amenable number.

22222111210201 is a deficient number, since it is larger than the sum of its proper divisors (3174587315751).

22222111210201 is an equidigital number, since it uses as much as digits as its factorization.

22222111210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174587315750.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22222111210201 its reverse (10201211122222), we get a palindrome (32423322332423).

The spelling of 22222111210201 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred ten thousand, two hundred one".