11221132229 has 2 divisors, whose sum is σ = 11221132230. Its totient is φ = 11221132228.

The previous prime is 11221132189. The next prime is 11221132243. The reversal of 11221132229 is 92223112211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6500068129 + 4721064100 = 80623^2 + 68710^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221132229 - 2¹² = 11221128133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221132198 and 11221132207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221132249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610566114 + 5610566115.

It is an arithmetic number, because the mean of its divisors is an integer number (5610566115).

Almost surely, 2^11221132229 is an apocalyptic number.

It is an amenable number.

11221132229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221132229 is an equidigital number, since it uses as much as digits as its factorization.

11221132229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The spelling of 11221132229 in words is "eleven billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred twenty-nine".