10220110222221 has 32 divisors (see below), whose sum is σ = 15298740455040. Its totient is φ = 6742450368000.

The previous prime is 10220110222193. The next prime is 10220110222229. The reversal of 10220110222221 is 12222201102201.

It is a happy number.

10220110222221 is a `hidden beast` number, since 1 + 0 + 220 + 1 + 1 + 0 + 222 + 221 = 666.

It is not a de Polignac number, because 10220110222221 - 2²¹ = 10220108125069 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10220110222194 and 10220110222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220110222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4295421 + ... + 6236253.

It is an arithmetic number, because the mean of its divisors is an integer number (478085639220).

Almost surely, 2^{10220110222221} is an apocalyptic number.

It is an amenable number.

10220110222221 is a deficient number, since it is larger than the sum of its proper divisors (5078630232819).

10220110222221 is a wasteful number, since it uses less digits than its factorization.

10220110222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942874 (or 1942868 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10220110222221 its reverse (12222201102201), we get a palindrome (22442311324422).

The spelling of 10220110222221 in words is "ten trillion, two hundred twenty billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".