2222022111121 has 4 divisors (see below), whose sum is σ = 2222526089700. Its totient is φ = 2221518132544.

The previous prime is 2222022111083. The next prime is 2222022111137. The reversal of 2222022111121 is 1211112202222.

2222022111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1005327075600 + 1216695035521 = 1002660^2 + 1103039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222022111121 - 2¹³ = 2222022102929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222022111521) 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, 251982676 + ... + 251991493.

It is an arithmetic number, because the mean of its divisors is an integer number (555631522425).

Almost surely, 2^{2222022111121} is an apocalyptic number.

It is an amenable number.

2222022111121 is a deficient number, since it is larger than the sum of its proper divisors (503978579).

2222022111121 is an equidigital number, since it uses as much as digits as its factorization.

2222022111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503978578.

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

Adding to 2222022111121 its reverse (1211112202222), we get a palindrome (3433134313343).

The spelling of 2222022111121 in words is "two trillion, two hundred twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred twenty-one".