11210221273 has 2 divisors, whose sum is σ = 11210221274. Its totient is φ = 11210221272.

The previous prime is 11210221241. The next prime is 11210221279. The reversal of 11210221273 is 37212201211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6121967049 + 5088254224 = 78243^2 + 71332^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210221273 - 2⁵ = 11210221241 is a prime.

It is a super-3 number, since 3×11210221273³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11210221279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605110636 + 5605110637.

It is an arithmetic number, because the mean of its divisors is an integer number (5605110637).

Almost surely, 2^11210221273 is an apocalyptic number.

It is an amenable number.

11210221273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210221273 is an equidigital number, since it uses as much as digits as its factorization.

11210221273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 11210221273 its reverse (37212201211), we get a palindrome (48422422484).

The spelling of 11210221273 in words is "eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred seventy-three".