22100021001121 has 16 divisors (see below), whose sum is σ = 26587005491200. Its totient is φ = 17945534724048.

The previous prime is 22100021001077. The next prime is 22100021001193. The reversal of 22100021001121 is 12110012000122.

It is a cyclic number.

It is not a de Polignac number, because 22100021001121 - 2⁹ = 22100021000609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100021002121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5412856 + ... + 8573158.

It is an arithmetic number, because the mean of its divisors is an integer number (1661687843200).

Almost surely, 2^{22100021001121} is an apocalyptic number.

It is an amenable number.

22100021001121 is a deficient number, since it is larger than the sum of its proper divisors (4486984490079).

22100021001121 is a wasteful number, since it uses less digits than its factorization.

22100021001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212908.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22100021001121 its reverse (12110012000122), we get a palindrome (34210033001243).

Subtracting from 22100021001121 its reverse (12110012000122), we obtain a palindrome (9990009000999).

It can be divided in two parts, 2210002 and 1001121, that added together give a palindrome (3211123).

The spelling of 22100021001121 in words is "twenty-two trillion, one hundred billion, twenty-one million, one thousand, one hundred twenty-one".