200110122011221 has 16 divisors (see below), whose sum is σ = 204682601096064. Its totient is φ = 195567816044224.

The previous prime is 200110122011183. The next prime is 200110122011273. The reversal of 200110122011221 is 122110221011002.

It is a cyclic number.

It is not a de Polignac number, because 200110122011221 - 2²³ = 200110113622613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200110122011195 and 200110122011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200110122011321) 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, 28298640 + ... + 34655926.

It is an arithmetic number, because the mean of its divisors is an integer number (12792662568504).

Almost surely, 2^{200110122011221} is an apocalyptic number.

It is an amenable number.

200110122011221 is a deficient number, since it is larger than the sum of its proper divisors (4572479084843).

200110122011221 is a wasteful number, since it uses less digits than its factorization.

200110122011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359660.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200110122011221 its reverse (122110221011002), we get a palindrome (322220343022223).

The spelling of 200110122011221 in words is "two hundred trillion, one hundred ten billion, one hundred twenty-two million, eleven thousand, two hundred twenty-one".