121433242211 has 2 divisors, whose sum is σ = 121433242212. Its totient is φ = 121433242210.

The previous prime is 121433242193. The next prime is 121433242219. The reversal of 121433242211 is 112242334121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121433242211 is a prime.

It is not a weakly prime, because it can be changed into another prime (121433242219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60716621105 + 60716621106.

It is an arithmetic number, because the mean of its divisors is an integer number (60716621106).

Almost surely, 2^121433242211 is an apocalyptic number.

121433242211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121433242211 is an equidigital number, since it uses as much as digits as its factorization.

121433242211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

Adding to 121433242211 its reverse (112242334121), we get a palindrome (233675576332).

The spelling of 121433242211 in words is "one hundred twenty-one billion, four hundred thirty-three million, two hundred forty-two thousand, two hundred eleven".