10022001112221 has 32 divisors (see below), whose sum is σ = 15798476636160. Its totient is φ = 5529293025984.

The previous prime is 10022001112183. The next prime is 10022001112301. The reversal of 10022001112221 is 12221110022001.

It is not a de Polignac number, because 10022001112221 - 2¹⁰ = 10022001111197 is a prime.

It is a super-2 number, since 2×10022001112221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10022001112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022001152221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68758206 + ... + 68903808.

It is an arithmetic number, because the mean of its divisors is an integer number (493702394880).

Almost surely, 2^{10022001112221} is an apocalyptic number.

It is an amenable number.

10022001112221 is a deficient number, since it is larger than the sum of its proper divisors (5776475523939).

10022001112221 is a wasteful number, since it uses less digits than its factorization.

10022001112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258665.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10022001112221 its reverse (12221110022001), we get a palindrome (22243111134222).

The spelling of 10022001112221 in words is "ten trillion, twenty-two billion, one million, one hundred twelve thousand, two hundred twenty-one".