2261100571211 has 2 divisors, whose sum is σ = 2261100571212. Its totient is φ = 2261100571210.

The previous prime is 2261100571207. The next prime is 2261100571217. The reversal of 2261100571211 is 1121750011622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2261100571211 - 2² = 2261100571207 is a prime.

It is a super-2 number, since 2×2261100571211² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2261100571217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130550285605 + 1130550285606.

It is an arithmetic number, because the mean of its divisors is an integer number (1130550285606).

Almost surely, 2^{2261100571211} is an apocalyptic number.

2261100571211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261100571211 is an equidigital number, since it uses as much as digits as its factorization.

2261100571211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

Adding to 2261100571211 its reverse (1121750011622), we get a palindrome (3382850582833).

The spelling of 2261100571211 in words is "two trillion, two hundred sixty-one billion, one hundred million, five hundred seventy-one thousand, two hundred eleven".