200201221221111 has 48 divisors (see below), whose sum is σ = 336188544906240. Its totient is φ = 113589345312960.

The previous prime is 200201221221059. The next prime is 200201221221143. The reversal of 200201221221111 is 111122122102002.

200201221221111 is a `hidden beast` number, since 20 + 0 + 201 + 221 + 2 + 211 + 11 = 666.

It is not a de Polignac number, because 200201221221111 - 2¹⁹ = 200201220696823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201221221151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 935246616 + ... + 935460653.

It is an arithmetic number, because the mean of its divisors is an integer number (7003928018880).

Almost surely, 2^{200201221221111} is an apocalyptic number.

200201221221111 is a deficient number, since it is larger than the sum of its proper divisors (135987323685129).

200201221221111 is a wasteful number, since it uses less digits than its factorization.

200201221221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870707356 (or 1870707353 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 200201221221111 its reverse (111122122102002), we get a palindrome (311323343323113).

The spelling of 200201221221111 in words is "two hundred trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred eleven".