1103323212949 has 2 divisors, whose sum is σ = 1103323212950. Its totient is φ = 1103323212948.

The previous prime is 1103323212931. The next prime is 1103323213043. The reversal of 1103323212949 is 9492123233011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016013600625 + 87309612324 = 1007975^2 + 295482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103323212949 - 2⁷ = 1103323212821 is a prime.

It is a super-2 number, since 2×1103323212949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103323212149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551661606474 + 551661606475.

It is an arithmetic number, because the mean of its divisors is an integer number (551661606475).

Almost surely, 2^{1103323212949} is an apocalyptic number.

It is an amenable number.

1103323212949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103323212949 is an equidigital number, since it uses as much as digits as its factorization.

1103323212949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 1103323212949 in words is "one trillion, one hundred three billion, three hundred twenty-three million, two hundred twelve thousand, nine hundred forty-nine".