200000202122021 has 64 divisors (see below), whose sum is σ = 247287933075456. Its totient is φ = 157987320480000.

The previous prime is 200000202121991. The next prime is 200000202122213. The reversal of 200000202122021 is 120221202000002.

It is a cyclic number.

It is not a de Polignac number, because 200000202122021 - 2²⁶ = 200000135013157 is a prime.

It is a super-2 number, since 2×200000202122021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200000202121987 and 200000202122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000202122921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3103007231 + ... + 3103071683.

It is an arithmetic number, because the mean of its divisors is an integer number (3863873954304).

Almost surely, 2^{200000202122021} is an apocalyptic number.

It is an amenable number.

200000202122021 is a deficient number, since it is larger than the sum of its proper divisors (47287730953435).

200000202122021 is a wasteful number, since it uses less digits than its factorization.

200000202122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67242.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200000202122021 its reverse (120221202000002), we get a palindrome (320221404122023).

The spelling of 200000202122021 in words is "two hundred trillion, two hundred two million, one hundred twenty-two thousand, twenty-one".