11210099261 has 2 divisors, whose sum is σ = 11210099262. Its totient is φ = 11210099260.

The previous prime is 11210099233. The next prime is 11210099273. The reversal of 11210099261 is 16299001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9183388900 + 2026710361 = 95830^2 + 45019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210099261 is a prime.

It is a super-2 number, since 2×11210099261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210099221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605049630 + 5605049631.

It is an arithmetic number, because the mean of its divisors is an integer number (5605049631).

Almost surely, 2^11210099261 is an apocalyptic number.

It is an amenable number.

11210099261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210099261 is an equidigital number, since it uses as much as digits as its factorization.

11210099261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 11210099261 in words is "eleven billion, two hundred ten million, ninety-nine thousand, two hundred sixty-one".