2222201110121 has 4 divisors (see below), whose sum is σ = 2222853359232. Its totient is φ = 2221548861012.

The previous prime is 2222201110109. The next prime is 2222201110147. The reversal of 2222201110121 is 1210111022222.

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 2222201110121 - 2²⁶ = 2222134001257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222201110121.

It is not an unprimeable number, because it can be changed into a prime (2222201110621) 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, 326119445 + ... + 326126258.

It is an arithmetic number, because the mean of its divisors is an integer number (555713339808).

Almost surely, 2^{2222201110121} is an apocalyptic number.

It is an amenable number.

2222201110121 is a deficient number, since it is larger than the sum of its proper divisors (652249111).

2222201110121 is an equidigital number, since it uses as much as digits as its factorization.

2222201110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652249110.

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

Adding to 2222201110121 its reverse (1210111022222), we get a palindrome (3432312132343).

The spelling of 2222201110121 in words is "two trillion, two hundred twenty-two billion, two hundred one million, one hundred ten thousand, one hundred twenty-one".