2211102001061 has 2 divisors, whose sum is σ = 2211102001062. Its totient is φ = 2211102001060.

The previous prime is 2211102001049. The next prime is 2211102001111. The reversal of 2211102001061 is 1601002011122.

2211102001061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2090019576100 + 121082424961 = 1445690^2 + 347969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211102001061 - 2²⁶ = 2211034892197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211102001561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105551000530 + 1105551000531.

It is an arithmetic number, because the mean of its divisors is an integer number (1105551000531).

Almost surely, 2^{2211102001061} is an apocalyptic number.

It is an amenable number.

2211102001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211102001061 is an equidigital number, since it uses as much as digits as its factorization.

2211102001061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2211102001061 its reverse (1601002011122), we get a palindrome (3812104012183).

The spelling of 2211102001061 in words is "two trillion, two hundred eleven billion, one hundred two million, one thousand, sixty-one".