121323022211 has 2 divisors, whose sum is σ = 121323022212. Its totient is φ = 121323022210.

The previous prime is 121323022189. The next prime is 121323022217. The reversal of 121323022211 is 112220323121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121323022211 - 2¹⁴ = 121323005827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121323022217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60661511105 + 60661511106.

It is an arithmetic number, because the mean of its divisors is an integer number (60661511106).

Almost surely, 2^121323022211 is an apocalyptic number.

121323022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121323022211 is an equidigital number, since it uses as much as digits as its factorization.

121323022211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121323022211 its reverse (112220323121), we get a palindrome (233543345332).

The spelling of 121323022211 in words is "one hundred twenty-one billion, three hundred twenty-three million, twenty-two thousand, two hundred eleven".