2222111000121 has 4 divisors (see below), whose sum is σ = 2962814666832. Its totient is φ = 1481407333412.

The previous prime is 2222111000101. The next prime is 2222111000167. The reversal of 2222111000121 is 1210001112222.

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 2222111000121 - 2¹⁷ = 2222110869049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222111000121.

It is not an unprimeable number, because it can be changed into a prime (2222111000101) 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, 370351833351 + ... + 370351833356.

It is an arithmetic number, because the mean of its divisors is an integer number (740703666708).

Almost surely, 2^{2222111000121} is an apocalyptic number.

It is an amenable number.

2222111000121 is a deficient number, since it is larger than the sum of its proper divisors (740703666711).

2222111000121 is an equidigital number, since it uses as much as digits as its factorization.

2222111000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740703666710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2222111000121 its reverse (1210001112222), we get a palindrome (3432112112343).

The spelling of 2222111000121 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.