121332011 has 2 divisors, whose sum is σ = 121332012. Its totient is φ = 121332010.

The previous prime is 121331983. The next prime is 121332019. The reversal of 121332011 is 110233121.

It is a strong prime.

It is an emirp because it is prime and its reverse (110233121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121332011 - 2¹⁰ = 121330987 is a prime.

It is not a weakly prime, because it can be changed into another prime (121332019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666005 + 60666006.

It is an arithmetic number, because the mean of its divisors is an integer number (60666006).

Almost surely, 2^121332011 is an apocalyptic number.

121332011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121332011 is an equidigital number, since it uses as much as digits as its factorization.

121332011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121332011 is about 11015.0810709681. The cubic root of 121332011 is about 495.0607156079.

Adding to 121332011 its reverse (110233121), we get a palindrome (231565132).

The spelling of 121332011 in words is "one hundred twenty-one million, three hundred thirty-two thousand, eleven".