210022221210221 has 16 divisors (see below), whose sum is σ = 243615446536704. Its totient is φ = 177326675857584.

The previous prime is 210022221210107. The next prime is 210022221210271. The reversal of 210022221210221 is 122012122220012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210022221210221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210022221210193 and 210022221210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022221210271) 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, 8150306 + ... + 22056108.

It is an arithmetic number, because the mean of its divisors is an integer number (15225965408544).

Almost surely, 2^{210022221210221} is an apocalyptic number.

It is an amenable number.

210022221210221 is a deficient number, since it is larger than the sum of its proper divisors (33593225326483).

210022221210221 is a wasteful number, since it uses less digits than its factorization.

210022221210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938080.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210022221210221 its reverse (122012122220012), we get a palindrome (332034343430233).

The spelling of 210022221210221 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-one".