121000102211 has 2 divisors, whose sum is σ = 121000102212. Its totient is φ = 121000102210.

The previous prime is 121000102199. The next prime is 121000102243. The reversal of 121000102211 is 112201000121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121000102211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121000102192 and 121000102201.

It is not a weakly prime, because it can be changed into another prime (121000102271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500051105 + 60500051106.

It is an arithmetic number, because the mean of its divisors is an integer number (60500051106).

Almost surely, 2^121000102211 is an apocalyptic number.

121000102211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000102211 is an equidigital number, since it uses as much as digits as its factorization.

121000102211 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 11.

Adding to 121000102211 its reverse (112201000121), we get a palindrome (233201102332).

The spelling of 121000102211 in words is "one hundred twenty-one billion, one hundred two thousand, two hundred eleven".