121122022223 has 2 divisors, whose sum is σ = 121122022224. Its totient is φ = 121122022222.

The previous prime is 121122022211. The next prime is 121122022237. The reversal of 121122022223 is 322220221121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121122022223 - 2⁴ = 121122022207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121122022195 and 121122022204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121122022123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561011111 + 60561011112.

It is an arithmetic number, because the mean of its divisors is an integer number (60561011112).

Almost surely, 2^121122022223 is an apocalyptic number.

121122022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122022223 is an equidigital number, since it uses as much as digits as its factorization.

121122022223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121122022223 its reverse (322220221121), we get a palindrome (443342243344).

The spelling of 121122022223 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-three".