8202002012121 has 8 divisors (see below), whose sum is σ = 10936654206624. Its totient is φ = 5467675579520.

The previous prime is 8202002012111. The next prime is 8202002012153. The reversal of 8202002012121 is 1212102002028.

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

It is a cyclic number.

It is not a de Polignac number, because 8202002012121 - 2⁷ = 8202002011993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8202002012111) 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, 81381720 + ... + 81482441.

It is an arithmetic number, because the mean of its divisors is an integer number (1367081775828).

Almost surely, 2^{8202002012121} is an apocalyptic number.

It is an amenable number.

8202002012121 is a deficient number, since it is larger than the sum of its proper divisors (2734652194503).

8202002012121 is a wasteful number, since it uses less digits than its factorization.

8202002012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162880951.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 8202002012121 its reverse (1212102002028), we get a palindrome (9414104014149).

The spelling of 8202002012121 in words is "eight trillion, two hundred two billion, two million, twelve thousand, one hundred twenty-one".