121012100110211 has 2 divisors, whose sum is σ = 121012100110212. Its totient is φ = 121012100110210.

The previous prime is 121012100110193. The next prime is 121012100110217. The reversal of 121012100110211 is 112011001210121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121012100110211 - 2⁶ = 121012100110147 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012100110217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506050055105 + 60506050055106.

It is an arithmetic number, because the mean of its divisors is an integer number (60506050055106).

Almost surely, 2^{121012100110211} is an apocalyptic number.

121012100110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012100110211 is an equidigital number, since it uses as much as digits as its factorization.

121012100110211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121012100110211 its reverse (112011001210121), we get a palindrome (233023101320332).

The spelling of 121012100110211 in words is "one hundred twenty-one trillion, twelve billion, one hundred million, one hundred ten thousand, two hundred eleven".