1021323411019 has 8 divisors (see below), whose sum is σ = 1106550126000. Its totient is φ = 938891014656.

The previous prime is 1021323411001. The next prime is 1021323411023. The reversal of 1021323411019 is 9101143231201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021323411019 - 2³⁹ = 471567597131 is a prime.

It is a super-2 number, since 2×1021323411019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021323411029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698578894 + ... + 698580355.

It is an arithmetic number, because the mean of its divisors is an integer number (138318765750).

Almost surely, 2^{1021323411019} is an apocalyptic number.

1021323411019 is a deficient number, since it is larger than the sum of its proper divisors (85226714981).

1021323411019 is a wasteful number, since it uses less digits than its factorization.

1021323411019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397159309.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1021323411019 in words is "one trillion, twenty-one billion, three hundred twenty-three million, four hundred eleven thousand, nineteen".