200121020222201 has 32 divisors (see below), whose sum is σ = 230291479756800. Its totient is φ = 172261495342080.

The previous prime is 200121020222183. The next prime is 200121020222219. The reversal of 200121020222201 is 102222020121002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200121020222183) and next prime (200121020222219).

It is a cyclic number.

It is not a de Polignac number, because 200121020222201 - 2¹⁴ = 200121020205817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200121020222201.

It is not an unprimeable number, because it can be changed into a prime (200121020222231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1341947720 + ... + 1342096838.

It is an arithmetic number, because the mean of its divisors is an integer number (7196608742400).

Almost surely, 2^{200121020222201} is an apocalyptic number.

It is an amenable number.

200121020222201 is a deficient number, since it is larger than the sum of its proper divisors (30170459534599).

200121020222201 is a wasteful number, since it uses less digits than its factorization.

200121020222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204969.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200121020222201 its reverse (102222020121002), we get a palindrome (302343040343203).

The spelling of 200121020222201 in words is "two hundred trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred one".