121101310120211 has 2 divisors, whose sum is σ = 121101310120212. Its totient is φ = 121101310120210.

The previous prime is 121101310120181. The next prime is 121101310120247. The reversal of 121101310120211 is 112021013101121.

It is a weak prime.

It is an emirp because it is prime and its reverse (112021013101121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121101310120211 - 2²² = 121101305925907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121101310120211.

It is not a weakly prime, because it can be changed into another prime (121101310120811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550655060105 + 60550655060106.

It is an arithmetic number, because the mean of its divisors is an integer number (60550655060106).

Almost surely, 2^{121101310120211} is an apocalyptic number.

121101310120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101310120211 is an equidigital number, since it uses as much as digits as its factorization.

121101310120211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 121101310120211 its reverse (112021013101121), we get a palindrome (233122323221332).

The spelling of 121101310120211 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred ten million, one hundred twenty thousand, two hundred eleven".