1002010301221 has 4 divisors (see below), whose sum is σ = 1014693976000. Its totient is φ = 989326626444.

The previous prime is 1002010301219. The next prime is 1002010301251. The reversal of 1002010301221 is 1221030102001.

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 1002010301221 - 2¹ = 1002010301219 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 (1002010301251) 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, 6341837271 + ... + 6341837428.

It is an arithmetic number, because the mean of its divisors is an integer number (253673494000).

Almost surely, 2^{1002010301221} is an apocalyptic number.

It is an amenable number.

1002010301221 is a deficient number, since it is larger than the sum of its proper divisors (12683674779).

1002010301221 is an equidigital number, since it uses as much as digits as its factorization.

1002010301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683674778.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1002010301221 its reverse (1221030102001), we get a palindrome (2223040403222).

The spelling of 1002010301221 in words is "one trillion, two billion, ten million, three hundred one thousand, two hundred twenty-one".