1002334221021 has 48 divisors (see below), whose sum is σ = 1557416585088. Its totient is φ = 571740825600.

The previous prime is 1002334221017. The next prime is 1002334221023. The reversal of 1002334221021 is 1201224332001.

It is not a de Polignac number, because 1002334221021 - 2² = 1002334221017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002334221023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329605261 + ... + 329608301.

It is an arithmetic number, because the mean of its divisors is an integer number (32446178856).

Almost surely, 2^{1002334221021} is an apocalyptic number.

It is an amenable number.

1002334221021 is a deficient number, since it is larger than the sum of its proper divisors (555082364067).

1002334221021 is a wasteful number, since it uses less digits than its factorization.

1002334221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322 (or 6315 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1002334221021 its reverse (1201224332001), we get a palindrome (2203558553022).

The spelling of 1002334221021 in words is "one trillion, two billion, three hundred thirty-four million, two hundred twenty-one thousand, twenty-one".