2002021221201 has 8 divisors (see below), whose sum is σ = 2696880820704. Its totient is φ = 1320921217920.

The previous prime is 2002021221197. The next prime is 2002021221217. The reversal of 2002021221201 is 1021221202002.

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

It is not a de Polignac number, because 2002021221201 - 2² = 2002021221197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2002021221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3439898715 + ... + 3439899296.

It is an arithmetic number, because the mean of its divisors is an integer number (337110102588).

Almost surely, 2^{2002021221201} is an apocalyptic number.

It is an amenable number.

2002021221201 is a deficient number, since it is larger than the sum of its proper divisors (694859599503).

2002021221201 is an equidigital number, since it uses as much as digits as its factorization.

2002021221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879798111.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002021221201 its reverse (1021221202002), we get a palindrome (3023242423203).

It can be divided in two parts, 2002021 and 221201, that added together give a palindrome (2223222).

The spelling of 2002021221201 in words is "two trillion, two billion, twenty-one million, two hundred twenty-one thousand, two hundred one".