121000020200011 has 2 divisors, whose sum is σ = 121000020200012. Its totient is φ = 121000020200010.

The previous prime is 121000020199987. The next prime is 121000020200041. The reversal of 121000020200011 is 110002020000121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000020200011 - 2²³ = 121000011811403 is a prime.

It is not a weakly prime, because it can be changed into another prime (121000020200041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500010100005 + 60500010100006.

It is an arithmetic number, because the mean of its divisors is an integer number (60500010100006).

Almost surely, 2^{121000020200011} is an apocalyptic number.

121000020200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000020200011 is an equidigital number, since it uses as much as digits as its factorization.

121000020200011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121000020200011 its reverse (110002020000121), we get a palindrome (231002040200132).

The spelling of 121000020200011 in words is "one hundred twenty-one trillion, twenty million, two hundred thousand, eleven".