1002304102421 has 4 divisors (see below), whose sum is σ = 1002454763532. Its totient is φ = 1002153441312.

The previous prime is 1002304102411. The next prime is 1002304102469. The reversal of 1002304102421 is 1242014032001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74809908196 + 927494194225 = 273514^2 + 963065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002304102421 - 2⁶ = 1002304102357 is a prime.

It is a super-2 number, since 2×1002304102421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002304102393 and 1002304102402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002304102411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75320576 + ... + 75333881.

It is an arithmetic number, because the mean of its divisors is an integer number (250613690883).

Almost surely, 2^{1002304102421} is an apocalyptic number.

It is an amenable number.

1002304102421 is a deficient number, since it is larger than the sum of its proper divisors (150661111).

1002304102421 is an equidigital number, since it uses as much as digits as its factorization.

1002304102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150661110.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1002304102421 its reverse (1242014032001), we get a palindrome (2244318134422).

The spelling of 1002304102421 in words is "one trillion, two billion, three hundred four million, one hundred two thousand, four hundred twenty-one".