12222102111121 has 24 divisors (see below), whose sum is σ = 14274885021696. Its totient is φ = 10433850255360.

The previous prime is 12222102111101. The next prime is 12222102111137. The reversal of 12222102111121 is 12111120122221.

It is a happy number.

It is not a de Polignac number, because 12222102111121 - 2²¹ = 12222100013969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222102111101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94218976 + ... + 94348606.

It is an arithmetic number, because the mean of its divisors is an integer number (594786875904).

Almost surely, 2^{12222102111121} is an apocalyptic number.

It is an amenable number.

12222102111121 is a deficient number, since it is larger than the sum of its proper divisors (2052782910575).

12222102111121 is a wasteful number, since it uses less digits than its factorization.

12222102111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137389 (or 137382 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12222102111121 its reverse (12111120122221), we get a palindrome (24333222233342).

The spelling of 12222102111121 in words is "twelve trillion, two hundred twenty-two billion, one hundred two million, one hundred eleven thousand, one hundred twenty-one".