22101103321221 has 8 divisors (see below), whose sum is σ = 30024140361120. Its totient is φ = 14456067581072.

The previous prime is 22101103321211. The next prime is 22101103321243. The reversal of 22101103321221 is 12212330110122.

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 22101103321221 - 2³⁸ = 21826225414277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101103321211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69500324751 + ... + 69500325068.

It is an arithmetic number, because the mean of its divisors is an integer number (3753017545140).

Almost surely, 2^{22101103321221} is an apocalyptic number.

It is an amenable number.

22101103321221 is a deficient number, since it is larger than the sum of its proper divisors (7923037039899).

22101103321221 is a wasteful number, since it uses less digits than its factorization.

22101103321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139000649875.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22101103321221 its reverse (12212330110122), we get a palindrome (34313433431343).

The spelling of 22101103321221 in words is "twenty-two trillion, one hundred one billion, one hundred three million, three hundred twenty-one thousand, two hundred twenty-one".