10022220112221 has 12 divisors (see below), whose sum is σ = 14829626508060. Its totient is φ = 6518517145920.

The previous prime is 10022220112207. The next prime is 10022220112277. The reversal of 10022220112221 is 12221102222001.

It is a happy number.

10022220112221 is a `hidden beast` number, since 10 + 0 + 222 + 201 + 12 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1569041832996 + 8453178279225 = 1252614^2 + 2907435^2 .

It is not a de Polignac number, because 10022220112221 - 2¹⁵ = 10022220079453 is a prime.

It is a super-2 number, since 2×10022220112221² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10022220112194 and 10022220112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022220102221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13580243686 + ... + 13580244423.

It is an arithmetic number, because the mean of its divisors is an integer number (1235802209005).

Almost surely, 2^{10022220112221} is an apocalyptic number.

It is an amenable number.

10022220112221 is a deficient number, since it is larger than the sum of its proper divisors (4807406395839).

10022220112221 is a wasteful number, since it uses less digits than its factorization.

10022220112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27160488156 (or 27160488153 counting only the distinct ones).

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

Adding to 10022220112221 its reverse (12221102222001), we get a palindrome (22243322334222).

The spelling of 10022220112221 in words is "ten trillion, twenty-two billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty-one".