1101213049 has 2 divisors, whose sum is σ = 1101213050. Its totient is φ = 1101213048.

The previous prime is 1101213023. The next prime is 1101213059. The reversal of 1101213049 is 9403121011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 894428649 + 206784400 = 29907^2 + 14380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101213049 - 2⁵ = 1101213017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101213019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550606524 + 550606525.

It is an arithmetic number, because the mean of its divisors is an integer number (550606525).

Almost surely, 2^1101213049 is an apocalyptic number.

It is an amenable number.

1101213049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101213049 is an equidigital number, since it uses as much as digits as its factorization.

1101213049 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1101213049 is about 33184.5302663756. The cubic root of 1101213049 is about 1032.6594325304.

The spelling of 1101213049 in words is "one billion, one hundred one million, two hundred thirteen thousand, forty-nine".