200101211222221 has 16 divisors (see below), whose sum is σ = 203564364595200. Its totient is φ = 196640453169648.

The previous prime is 200101211222197. The next prime is 200101211222249. The reversal of 200101211222221 is 122222112101002.

It is a cyclic number.

It is not a de Polignac number, because 200101211222221 - 2⁵ = 200101211222189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101211222321) 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, 4007850760 + ... + 4007900686.

It is an arithmetic number, because the mean of its divisors is an integer number (12722772787200).

Almost surely, 2^{200101211222221} is an apocalyptic number.

It is an amenable number.

200101211222221 is a deficient number, since it is larger than the sum of its proper divisors (3463153372979).

200101211222221 is a wasteful number, since it uses less digits than its factorization.

200101211222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72528.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200101211222221 its reverse (122222112101002), we get a palindrome (322323323323223).

The spelling of 200101211222221 in words is "two hundred trillion, one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-one".