121102122102211 has 2 divisors, whose sum is σ = 121102122102212. Its totient is φ = 121102122102210.

The previous prime is 121102122102193. The next prime is 121102122102277. The reversal of 121102122102211 is 112201221201121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121102122102211 - 2⁵ = 121102122102179 is a prime.

It is not a weakly prime, because it can be changed into another prime (121102120102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551061051105 + 60551061051106.

It is an arithmetic number, because the mean of its divisors is an integer number (60551061051106).

Almost surely, 2^{121102122102211} is an apocalyptic number.

121102122102211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102122102211 is an equidigital number, since it uses as much as digits as its factorization.

121102122102211 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 19.

Adding to 121102122102211 its reverse (112201221201121), we get a palindrome (233303343303332).

The spelling of 121102122102211 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred twenty-two million, one hundred two thousand, two hundred eleven".