2222212110121 has 8 divisors (see below), whose sum is σ = 2234154567680. Its totient is φ = 2210287308192.

The previous prime is 2222212110091. The next prime is 2222212110133. The reversal of 2222212110121 is 1210112122222.

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

It is a cyclic number.

It is not a de Polignac number, because 2222212110121 - 2⁹ = 2222212109609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222212110161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4161465 + ... + 4664998.

It is an arithmetic number, because the mean of its divisors is an integer number (279269320960).

Almost surely, 2^{2222212110121} is an apocalyptic number.

It is an amenable number.

2222212110121 is a deficient number, since it is larger than the sum of its proper divisors (11942457559).

2222212110121 is a wasteful number, since it uses less digits than its factorization.

2222212110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827815.

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

Adding to 2222212110121 its reverse (1210112122222), we get a palindrome (3432324232343).

The spelling of 2222212110121 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-one".