200022210111221 has 16 divisors (see below), whose sum is σ = 203457024460800. Its totient is φ = 196601029485168.

The previous prime is 200022210111151. The next prime is 200022210111257. The reversal of 200022210111221 is 122111012220002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200022210111221 is a prime.

It is a super-2 number, since 2×200022210111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200022210111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022210111821) 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, 61962086 + ... + 65110248.

It is an arithmetic number, because the mean of its divisors is an integer number (12716064028800).

Almost surely, 2^{200022210111221} is an apocalyptic number.

It is an amenable number.

200022210111221 is a deficient number, since it is larger than the sum of its proper divisors (3434814349579).

200022210111221 is a wasteful number, since it uses less digits than its factorization.

200022210111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150328.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200022210111221 its reverse (122111012220002), we get a palindrome (322133222331223).

The spelling of 200022210111221 in words is "two hundred trillion, twenty-two billion, two hundred ten million, one hundred eleven thousand, two hundred twenty-one".