121220200110011 has 2 divisors, whose sum is σ = 121220200110012. Its totient is φ = 121220200110010.

The previous prime is 121220200109999. The next prime is 121220200110019. The reversal of 121220200110011 is 110011002022121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121220200110011 is a prime.

It is a super-2 number, since 2×121220200110011² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121220200110019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610100055005 + 60610100055006.

It is an arithmetic number, because the mean of its divisors is an integer number (60610100055006).

Almost surely, 2^{121220200110011} is an apocalyptic number.

121220200110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220200110011 is an equidigital number, since it uses as much as digits as its factorization.

121220200110011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121220200110011 its reverse (110011002022121), we get a palindrome (231231202132132).

The spelling of 121220200110011 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred million, one hundred ten thousand, eleven".