2000200221121 has 4 divisors (see below), whose sum is σ = 2000206151812. Its totient is φ = 2000194290432.

The previous prime is 2000200221053. The next prime is 2000200221137. The reversal of 2000200221121 is 1211220020002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1430741330496 + 569458890625 = 1196136^2 + 754625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000200221121 - 2²¹ = 2000198123969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000200221191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426856 + ... + 3144841.

It is an arithmetic number, because the mean of its divisors is an integer number (500051537953).

Almost surely, 2^{2000200221121} is an apocalyptic number.

It is an amenable number.

2000200221121 is a deficient number, since it is larger than the sum of its proper divisors (5930691).

2000200221121 is an equidigital number, since it uses as much as digits as its factorization.

2000200221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930690.

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

Adding to 2000200221121 its reverse (1211220020002), we get a palindrome (3211420241123).

The spelling of 2000200221121 in words is "two trillion, two hundred million, two hundred twenty-one thousand, one hundred twenty-one".