22201211021 has 16 divisors (see below), whose sum is σ = 24307430400. Its totient is φ = 20109752880.

The previous prime is 22201210987. The next prime is 22201211041. The reversal of 22201211021 is 12011210222.

It is a cyclic number.

It is not a de Polignac number, because 22201211021 - 2²² = 22197016717 is a prime.

It is a super-3 number, since 3×22201211021³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22201210987 and 22201211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201211041) 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 15 ways as a sum of consecutive naturals, for example, 6728030 + ... + 6731328.

It is an arithmetic number, because the mean of its divisors is an integer number (1519214400).

Almost surely, 2^22201211021 is an apocalyptic number.

It is an amenable number.

22201211021 is a deficient number, since it is larger than the sum of its proper divisors (2106219379).

22201211021 is a wasteful number, since it uses less digits than its factorization.

22201211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22201211021 its reverse (12011210222), we get a palindrome (34212421243).

The spelling of 22201211021 in words is "twenty-two billion, two hundred one million, two hundred eleven thousand, twenty-one".