10561110211 has 2 divisors, whose sum is σ = 10561110212. Its totient is φ = 10561110210.

The previous prime is 10561110193. The next prime is 10561110221. The reversal of 10561110211 is 11201116501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10561110211 - 2¹⁹ = 10560585923 is a prime.

It is a super-2 number, since 2×10561110211² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10561110221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5280555105 + 5280555106.

It is an arithmetic number, because the mean of its divisors is an integer number (5280555106).

Almost surely, 2^10561110211 is an apocalyptic number.

10561110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10561110211 is an equidigital number, since it uses as much as digits as its factorization.

10561110211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 10561110211 its reverse (11201116501), we get a palindrome (21762226712).

The spelling of 10561110211 in words is "ten billion, five hundred sixty-one million, one hundred ten thousand, two hundred eleven".