2002020122101 has 8 divisors (see below), whose sum is σ = 2004023138240. Its totient is φ = 2000017964448.

The previous prime is 2002020122099. The next prime is 2002020122161. The reversal of 2002020122101 is 1012210202002.

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 not a de Polignac number, because 2002020122101 - 2¹ = 2002020122099 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 (2002020122161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4503505 + ... + 4928041.

It is an arithmetic number, because the mean of its divisors is an integer number (250502892280).

Almost surely, 2^{2002020122101} is an apocalyptic number.

It is an amenable number.

2002020122101 is a deficient number, since it is larger than the sum of its proper divisors (2003016139).

2002020122101 is a wasteful number, since it uses less digits than its factorization.

2002020122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429243.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002020122101 its reverse (1012210202002), we get a palindrome (3014230324103).

The spelling of 2002020122101 in words is "two trillion, two billion, twenty million, one hundred twenty-two thousand, one hundred one".