22212010112221 has 8 divisors (see below), whose sum is σ = 22218159721824. Its totient is φ = 22205861343120.

The previous prime is 22212010112179. The next prime is 22212010112233. The reversal of 22212010112221 is 12221101021222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22212010112221 - 2³³ = 22203420177629 is a prime.

It is a super-2 number, since 2×22212010112221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212010122221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54613306 + ... + 55018516.

It is an arithmetic number, because the mean of its divisors is an integer number (2777269965228).

Almost surely, 2^{22212010112221} is an apocalyptic number.

It is an amenable number.

22212010112221 is a deficient number, since it is larger than the sum of its proper divisors (6149609603).

22212010112221 is an equidigital number, since it uses as much as digits as its factorization.

22212010112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420251.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22212010112221 its reverse (12221101021222), we get a palindrome (34433111133443).

Subtracting from 22212010112221 its reverse (12221101021222), we obtain a palindrome (9990909090999).

The spelling of 22212010112221 in words is "twenty-two trillion, two hundred twelve billion, ten million, one hundred twelve thousand, two hundred twenty-one".