2101201101211 has 2 divisors, whose sum is σ = 2101201101212. Its totient is φ = 2101201101210.

The previous prime is 2101201101163. The next prime is 2101201101221. The reversal of 2101201101211 is 1121011021012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101201101211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101201101191 and 2101201101200.

It is not a weakly prime, because it can be changed into another prime (2101201101221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050600550605 + 1050600550606.

It is an arithmetic number, because the mean of its divisors is an integer number (1050600550606).

Almost surely, 2^{2101201101211} is an apocalyptic number.

2101201101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101201101211 is an equidigital number, since it uses as much as digits as its factorization.

2101201101211 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 13.

Adding to 2101201101211 its reverse (1121011021012), we get a palindrome (3222212122223).

The spelling of 2101201101211 in words is "two trillion, one hundred one billion, two hundred one million, one hundred one thousand, two hundred eleven".