2011321100291 has 2 divisors, whose sum is σ = 2011321100292. Its totient is φ = 2011321100290.

The previous prime is 2011321100267. The next prime is 2011321100329. The reversal of 2011321100291 is 1920011231102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011321100291 - 2³⁴ = 1994141231107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011321100221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005660550145 + 1005660550146.

It is an arithmetic number, because the mean of its divisors is an integer number (1005660550146).

Almost surely, 2^{2011321100291} is an apocalyptic number.

2011321100291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011321100291 is an equidigital number, since it uses as much as digits as its factorization.

2011321100291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 2011321100291 its reverse (1920011231102), we get a palindrome (3931332331393).

The spelling of 2011321100291 in words is "two trillion, eleven billion, three hundred twenty-one million, one hundred thousand, two hundred ninety-one".