2101101121211 has 2 divisors, whose sum is σ = 2101101121212. Its totient is φ = 2101101121210.

The previous prime is 2101101121181. The next prime is 2101101121247. The reversal of 2101101121211 is 1121211011012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101101121211 - 2²⁶ = 2101034012347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101101121271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050550560605 + 1050550560606.

It is an arithmetic number, because the mean of its divisors is an integer number (1050550560606).

Almost surely, 2^{2101101121211} is an apocalyptic number.

2101101121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101101121211 is an equidigital number, since it uses as much as digits as its factorization.

2101101121211 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 2101101121211 its reverse (1121211011012), we get a palindrome (3222312132223).

The spelling of 2101101121211 in words is "two trillion, one hundred one billion, one hundred one million, one hundred twenty-one thousand, two hundred eleven".