22122112010221 has 8 divisors (see below), whose sum is σ = 22642874596160. Its totient is φ = 21607233747552.

The previous prime is 22122112010203. The next prime is 22122112010281. The reversal of 22122112010221 is 12201021122122.

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 22122112010221 - 2¹¹ = 22122112008173 is a prime.

It is a super-4 number, since 4×22122112010221⁴ (a number of 54 digits) contains 4444 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 (22122112010281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471073211 + ... + 1471088248.

It is an arithmetic number, because the mean of its divisors is an integer number (2830359324520).

Almost surely, 2^{22122112010221} is an apocalyptic number.

It is an amenable number.

22122112010221 is a deficient number, since it is larger than the sum of its proper divisors (520762585939).

22122112010221 is a wasteful number, since it uses less digits than its factorization.

22122112010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942161635.

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

Adding to 22122112010221 its reverse (12201021122122), we get a palindrome (34323133132343).

The spelling of 22122112010221 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twelve million, ten thousand, two hundred twenty-one".