121001122122011 has 2 divisors, whose sum is σ = 121001122122012. Its totient is φ = 121001122122010.

The previous prime is 121001122121989. The next prime is 121001122122131. The reversal of 121001122122011 is 110221221100121.

It is a weak prime.

It is an emirp because it is prime and its reverse (110221221100121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121001122122011 - 2⁶ = 121001122121947 is a prime.

It is not a weakly prime, because it can be changed into another prime (121001122122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500561061005 + 60500561061006.

It is an arithmetic number, because the mean of its divisors is an integer number (60500561061006).

Almost surely, 2^{121001122122011} is an apocalyptic number.

121001122122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001122122011 is an equidigital number, since it uses as much as digits as its factorization.

121001122122011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121001122122011 its reverse (110221221100121), we get a palindrome (231222343222132).

The spelling of 121001122122011 in words is "one hundred twenty-one trillion, one billion, one hundred twenty-two million, one hundred twenty-two thousand, eleven".