1002002021201 has 8 divisors (see below), whose sum is σ = 1008239313984. Its totient is φ = 995767553520.

The previous prime is 1002002021183. The next prime is 1002002021263. The reversal of 1002002021201 is 1021202002001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002002021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002002021281) 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, 7526 + ... + 1415648.

It is an arithmetic number, because the mean of its divisors is an integer number (126029914248).

Almost surely, 2^{1002002021201} is an apocalyptic number.

It is an amenable number.

1002002021201 is a deficient number, since it is larger than the sum of its proper divisors (6237292783).

1002002021201 is a wasteful number, since it uses less digits than its factorization.

1002002021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412551.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002002021201 its reverse (1021202002001), we get a palindrome (2023204023202).

The spelling of 1002002021201 in words is "one trillion, two billion, two million, twenty-one thousand, two hundred one".