2000221200121 has 8 divisors (see below), whose sum is σ = 2030114285120. Its totient is φ = 1970329263408.

The previous prime is 2000221200119. The next prime is 2000221200161. The reversal of 2000221200121 is 1210021220002.

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 2000221200121 - 2¹ = 2000221200119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000221200161) 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, 3616420 + ... + 4132666.

It is an arithmetic number, because the mean of its divisors is an integer number (253764285640).

Almost surely, 2^{2000221200121} is an apocalyptic number.

It is an amenable number.

2000221200121 is a deficient number, since it is larger than the sum of its proper divisors (29893084999).

2000221200121 is an equidigital number, since it uses as much as digits as its factorization.

2000221200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574143.

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

Adding to 2000221200121 its reverse (1210021220002), we get a palindrome (3210242420123).

The spelling of 2000221200121 in words is "two trillion, two hundred twenty-one million, two hundred thousand, one hundred twenty-one".