1099974835321 has 2 divisors, whose sum is σ = 1099974835322. Its totient is φ = 1099974835320.

The previous prime is 1099974835303. The next prime is 1099974835327. The reversal of 1099974835321 is 1235384799901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098169860096 + 1804975225 = 1047936^2 + 42485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099974835321 - 2²¹ = 1099972738169 is a prime.

It is a super-2 number, since 2×1099974835321² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1099974835321.

It is not a weakly prime, because it can be changed into another prime (1099974835327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549987417660 + 549987417661.

It is an arithmetic number, because the mean of its divisors is an integer number (549987417661).

Almost surely, 2^{1099974835321} is an apocalyptic number.

It is an amenable number.

1099974835321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099974835321 is an equidigital number, since it uses as much as digits as its factorization.

1099974835321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 1099974835321 in words is "one trillion, ninety-nine billion, nine hundred seventy-four million, eight hundred thirty-five thousand, three hundred twenty-one".