1002415043221 has 4 divisors (see below), whose sum is σ = 1023743022912. Its totient is φ = 981087063532.

The previous prime is 1002415043213. The next prime is 1002415043239. The reversal of 1002415043221 is 1223405142001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002415043221 - 2³ = 1002415043213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002415043621) 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, 10663989775 + ... + 10663989868.

It is an arithmetic number, because the mean of its divisors is an integer number (255935755728).

Almost surely, 2^{1002415043221} is an apocalyptic number.

It is an amenable number.

1002415043221 is a deficient number, since it is larger than the sum of its proper divisors (21327979691).

1002415043221 is an equidigital number, since it uses as much as digits as its factorization.

1002415043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21327979690.

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 1002415043221 in words is "one trillion, two billion, four hundred fifteen million, forty-three thousand, two hundred twenty-one".