1003214287721 has 2 divisors, whose sum is σ = 1003214287722. Its totient is φ = 1003214287720.

The previous prime is 1003214287667. The next prime is 1003214287759. The reversal of 1003214287721 is 1277824123001.

It is an a-pointer prime, because the next prime (1003214287759) can be obtained adding 1003214287721 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561967626025 + 441246661696 = 749645^2 + 664264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003214287721 - 2⁶ = 1003214287657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003211287721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501607143860 + 501607143861.

It is an arithmetic number, because the mean of its divisors is an integer number (501607143861).

Almost surely, 2^{1003214287721} is an apocalyptic number.

It is an amenable number.

1003214287721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003214287721 is an equidigital number, since it uses as much as digits as its factorization.

1003214287721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 1003214287721 in words is "one trillion, three billion, two hundred fourteen million, two hundred eighty-seven thousand, seven hundred twenty-one".