121022112223 has 2 divisors, whose sum is σ = 121022112224. Its totient is φ = 121022112222.

The previous prime is 121022112221. The next prime is 121022112227. The reversal of 121022112223 is 322211220121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121022112223 - 2¹ = 121022112221 is a prime.

It is a super-3 number, since 3×121022112223³ (a number of 34 digits) contains 333 as substring.

Together with 121022112221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121022112223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511056111 + 60511056112.

It is an arithmetic number, because the mean of its divisors is an integer number (60511056112).

Almost surely, 2^121022112223 is an apocalyptic number.

121022112223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022112223 is an equidigital number, since it uses as much as digits as its factorization.

121022112223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121022112223 its reverse (322211220121), we get a palindrome (443233332344).

The spelling of 121022112223 in words is "one hundred twenty-one billion, twenty-two million, one hundred twelve thousand, two hundred twenty-three".