202210101020221 has 16 divisors (see below), whose sum is σ = 233386542661248. Its totient is φ = 171605998008000.

The previous prime is 202210101020201. The next prime is 202210101020227. The reversal of 202210101020221 is 122020101012202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202210101020221 - 2⁷ = 202210101020093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202210101020195 and 202210101020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210101020227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163933446 + ... + 165162328.

It is an arithmetic number, because the mean of its divisors is an integer number (14586658916328).

Almost surely, 2^{202210101020221} is an apocalyptic number.

It is an amenable number.

202210101020221 is a deficient number, since it is larger than the sum of its proper divisors (31176441641027).

202210101020221 is a wasteful number, since it uses less digits than its factorization.

202210101020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461732.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202210101020221 its reverse (122020101012202), we get a palindrome (324230202032423).

The spelling of 202210101020221 in words is "two hundred two trillion, two hundred ten billion, one hundred one million, twenty thousand, two hundred twenty-one".