22201112100321 has 64 divisors (see below), whose sum is σ = 41007516426240. Its totient is φ = 11532726501120.

The previous prime is 22201112100287. The next prime is 22201112100347. The reversal of 22201112100321 is 12300121110222.

22201112100321 is a `hidden beast` number, since 2 + 2 + 20 + 111 + 210 + 0 + 321 = 666.

It is not a de Polignac number, because 22201112100321 - 2¹¹ = 22201112098273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201112100294 and 22201112100303.

It is not an unprimeable number, because it can be changed into a prime (22201112000321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87655161 + ... + 87908073.

It is an arithmetic number, because the mean of its divisors is an integer number (640742444160).

Almost surely, 2^{22201112100321} is an apocalyptic number.

22201112100321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22201112100321 is a deficient number, since it is larger than the sum of its proper divisors (18806404325919).

22201112100321 is a wasteful number, since it uses less digits than its factorization.

22201112100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295163 (or 295157 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22201112100321 its reverse (12300121110222), we get a palindrome (34501233210543).

Subtracting from 22201112100321 its reverse (12300121110222), we obtain a palindrome (9900990990099).

The spelling of 22201112100321 in words is "twenty-two trillion, two hundred one billion, one hundred twelve million, one hundred thousand, three hundred twenty-one".