200002000122021 has 16 divisors (see below), whose sum is σ = 275320369146368. Its totient is φ = 129010673894400.

The previous prime is 200002000121977. The next prime is 200002000122031. The reversal of 200002000122021 is 120221000200002.

It is not a de Polignac number, because 200002000122021 - 2²³ = 200001991733413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200002000121988 and 200002000122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002000122031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190093996 + ... + 191143221.

It is an arithmetic number, because the mean of its divisors is an integer number (17207523071648).

Almost surely, 2^{200002000122021} is an apocalyptic number.

It is an amenable number.

200002000122021 is a deficient number, since it is larger than the sum of its proper divisors (75318369024347).

200002000122021 is a wasteful number, since it uses less digits than its factorization.

200002000122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381242892.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200002000122021 its reverse (120221000200002), we get a palindrome (320223000322023).

The spelling of 200002000122021 in words is "two hundred trillion, two billion, one hundred twenty-two thousand, twenty-one".