200111221201 has 2 divisors, whose sum is σ = 200111221202. Its totient is φ = 200111221200.

The previous prime is 200111221199. The next prime is 200111221229. The reversal of 200111221201 is 102122111002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162589594176 + 37521627025 = 403224^2 + 193705^2 .

It is a cyclic number.

It is not a de Polignac number, because 200111221201 - 2¹ = 200111221199 is a prime.

It is a super-3 number, since 3×200111221201³ (a number of 35 digits) contains 333 as substring.

Together with 200111221199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (200111221301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055610600 + 100055610601.

It is an arithmetic number, because the mean of its divisors is an integer number (100055610601).

Almost surely, 2^200111221201 is an apocalyptic number.

It is an amenable number.

200111221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111221201 is an equidigital number, since it uses as much as digits as its factorization.

200111221201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200111221201 its reverse (102122111002), we get a palindrome (302233332203).

The spelling of 200111221201 in words is "two hundred billion, one hundred eleven million, two hundred twenty-one thousand, two hundred one".