121202220210011 has 2 divisors, whose sum is σ = 121202220210012. Its totient is φ = 121202220210010.

The previous prime is 121202220209971. The next prime is 121202220210037. The reversal of 121202220210011 is 110012022202121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121202220210011 - 2³⁴ = 121185040340827 is a prime.

It is not a weakly prime, because it can be changed into another prime (121202220210041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601110105005 + 60601110105006.

It is an arithmetic number, because the mean of its divisors is an integer number (60601110105006).

Almost surely, 2^{121202220210011} is an apocalyptic number.

121202220210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202220210011 is an equidigital number, since it uses as much as digits as its factorization.

121202220210011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121202220210011 its reverse (110012022202121), we get a palindrome (231214242412132).

The spelling of 121202220210011 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty million, two hundred ten thousand, eleven".