121123132200011 has 2 divisors, whose sum is σ = 121123132200012. Its totient is φ = 121123132200010.

The previous prime is 121123132199873. The next prime is 121123132200017. The reversal of 121123132200011 is 110002231321121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121123132200011 is a prime.

It is not a weakly prime, because it can be changed into another prime (121123132200017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561566100005 + 60561566100006.

It is an arithmetic number, because the mean of its divisors is an integer number (60561566100006).

Almost surely, 2^{121123132200011} is an apocalyptic number.

121123132200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121123132200011 is an equidigital number, since it uses as much as digits as its factorization.

121123132200011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121123132200011 its reverse (110002231321121), we get a palindrome (231125363521132).

The spelling of 121123132200011 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, two hundred thousand, eleven".