210220101000221 has 16 divisors (see below), whose sum is σ = 227868105984960. Its totient is φ = 192784051866240.

The previous prime is 210220101000211. The next prime is 210220101000233. The reversal of 210220101000221 is 122000101022012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210220101000221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210220101000196 and 210220101000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220101000211) 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, 13768760 + ... + 24698561.

It is an arithmetic number, because the mean of its divisors is an integer number (14241756624060).

Almost surely, 2^{210220101000221} is an apocalyptic number.

It is an amenable number.

210220101000221 is a deficient number, since it is larger than the sum of its proper divisors (17648004984739).

210220101000221 is a wasteful number, since it uses less digits than its factorization.

210220101000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38470076.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210220101000221 its reverse (122000101022012), we get a palindrome (332220202022233).

The spelling of 210220101000221 in words is "two hundred ten trillion, two hundred twenty billion, one hundred one million, two hundred twenty-one", and thus it is an aban number.