121102122223 has 2 divisors, whose sum is σ = 121102122224. Its totient is φ = 121102122222.

The previous prime is 121102122217. The next prime is 121102122227. The reversal of 121102122223 is 322221201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121102122223 - 2⁹ = 121102121711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121102122223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121102122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551061111 + 60551061112.

It is an arithmetic number, because the mean of its divisors is an integer number (60551061112).

Almost surely, 2^121102122223 is an apocalyptic number.

121102122223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102122223 is an equidigital number, since it uses as much as digits as its factorization.

121102122223 is an evil number, because the sum of its binary digits is even.

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

Adding to 121102122223 its reverse (322221201121), we get a palindrome (443323323344).

The spelling of 121102122223 in words is "one hundred twenty-one billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty-three".