200121032322321 has 16 divisors (see below), whose sum is σ = 291394473928128. Its totient is φ = 121156584132800.

The previous prime is 200121032322311. The next prime is 200121032322349. The reversal of 200121032322321 is 123223230121002.

It is a cyclic number.

It is not a de Polignac number, because 200121032322321 - 2¹¹ = 200121032320273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200121032322291 and 200121032322300.

It is not an unprimeable number, because it can be changed into a prime (200121032322311) 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, 3222218526 + ... + 3222280631.

It is an arithmetic number, because the mean of its divisors is an integer number (18212154620508).

Almost surely, 2^{200121032322321} is an apocalyptic number.

It is an amenable number.

200121032322321 is a deficient number, since it is larger than the sum of its proper divisors (91273441605807).

200121032322321 is a wasteful number, since it uses less digits than its factorization.

200121032322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444500112.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 200121032322321 its reverse (123223230121002), we get a palindrome (323344262443323).

The spelling of 200121032322321 in words is "two hundred trillion, one hundred twenty-one billion, thirty-two million, three hundred twenty-two thousand, three hundred twenty-one".