1101321229 has 2 divisors, whose sum is σ = 1101321230. Its totient is φ = 1101321228.

The previous prime is 1101321127. The next prime is 1101321233. The reversal of 1101321229 is 9221231011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 643789129 + 457532100 = 25373^2 + 21390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101321229 - 2¹⁷ = 1101190157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101321929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550660614 + 550660615.

It is an arithmetic number, because the mean of its divisors is an integer number (550660615).

Almost surely, 2^1101321229 is an apocalyptic number.

It is an amenable number.

1101321229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101321229 is an equidigital number, since it uses as much as digits as its factorization.

1101321229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1101321229 is about 33186.1602027110. The cubic root of 1101321229 is about 1032.6932465865.

The spelling of 1101321229 in words is "one billion, one hundred one million, three hundred twenty-one thousand, two hundred twenty-nine".