200011210011221 has 32 divisors (see below), whose sum is σ = 244628532295680. Its totient is φ = 159836432716800.

The previous prime is 200011210011161. The next prime is 200011210011281. The reversal of 200011210011221 is 122110012110002.

It is an interprime number because it is at equal distance from previous prime (200011210011161) and next prime (200011210011281).

It is a de Polignac number, because none of the positive numbers 2^k-200011210011221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200011210011196 and 200011210011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011210011281) 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, 31897760 + ... + 37649561.

It is an arithmetic number, because the mean of its divisors is an integer number (7644641634240).

Almost surely, 2^{200011210011221} is an apocalyptic number.

It is an amenable number.

200011210011221 is a deficient number, since it is larger than the sum of its proper divisors (44617322284459).

200011210011221 is a wasteful number, since it uses less digits than its factorization.

200011210011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69547845.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200011210011221 its reverse (122110012110002), we get a palindrome (322121222121223).

The spelling of 200011210011221 in words is "two hundred trillion, eleven billion, two hundred ten million, eleven thousand, two hundred twenty-one".