2000220121001 has 8 divisors (see below), whose sum is σ = 2007655898304. Its totient is φ = 1992791425680.

The previous prime is 2000220120961. The next prime is 2000220121021. The reversal of 2000220121001 is 1001210220002.

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-2000220121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000220121021) 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, 1204235 + ... + 2334656.

It is an arithmetic number, because the mean of its divisors is an integer number (250956987288).

Almost surely, 2^{2000220121001} is an apocalyptic number.

It is an amenable number.

2000220121001 is a deficient number, since it is larger than the sum of its proper divisors (7435777303).

2000220121001 is a wasteful number, since it uses less digits than its factorization.

2000220121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540991.

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

Adding to 2000220121001 its reverse (1001210220002), we get a palindrome (3001430341003).

Subtracting from 2000220121001 its reverse (1001210220002), we obtain a palindrome (999009900999).

The spelling of 2000220121001 in words is "two trillion, two hundred twenty million, one hundred twenty-one thousand, one".