10220002222221 has 40 divisors (see below), whose sum is σ = 16656249482400. Its totient is φ = 6193408534560.

The previous prime is 10220002222217. The next prime is 10220002222229. The reversal of 10220002222221 is 12222220002201.

10220002222221 is a `hidden beast` number, since 1 + 0 + 220 + 0 + 0 + 2 + 222 + 221 = 666.

It is not a de Polignac number, because 10220002222221 - 2² = 10220002222217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220002222194 and 10220002222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220002222229) 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 39 ways as a sum of consecutive naturals, for example, 10008195 + ... + 10981983.

It is an arithmetic number, because the mean of its divisors is an integer number (416406237060).

Almost surely, 2^{10220002222221} is an apocalyptic number.

10220002222221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220002222221 is a deficient number, since it is larger than the sum of its proper divisors (6436247260179).

10220002222221 is a wasteful number, since it uses less digits than its factorization.

10220002222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985591 (or 985582 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10220002222221 its reverse (12222220002201), we get a palindrome (22442222224422).

The spelling of 10220002222221 in words is "ten trillion, two hundred twenty billion, two million, two hundred twenty-two thousand, two hundred twenty-one".