2101020112211 has 2 divisors, whose sum is σ = 2101020112212. Its totient is φ = 2101020112210.

The previous prime is 2101020112193. The next prime is 2101020112231. The reversal of 2101020112211 is 1122110201012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101020112211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101020112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050510056105 + 1050510056106.

It is an arithmetic number, because the mean of its divisors is an integer number (1050510056106).

Almost surely, 2^{2101020112211} is an apocalyptic number.

2101020112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101020112211 is an equidigital number, since it uses as much as digits as its factorization.

2101020112211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101020112211 its reverse (1122110201012), we get a palindrome (3223130313223).

The spelling of 2101020112211 in words is "two trillion, one hundred one billion, twenty million, one hundred twelve thousand, two hundred eleven".