22121033243 has 8 divisors (see below), whose sum is σ = 22216550400. Its totient is φ = 22025705128.

The previous prime is 22121033213. The next prime is 22121033293. The reversal of 22121033243 is 34233012122.

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 22121033243 - 2³² = 17826065947 is a prime.

It is a super-2 number, since 2×22121033243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121033203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189830 + ... + 283332.

It is an arithmetic number, because the mean of its divisors is an integer number (2777068800).

Almost surely, 2^22121033243 is an apocalyptic number.

22121033243 is a deficient number, since it is larger than the sum of its proper divisors (95517157).

22121033243 is an equidigital number, since it uses as much as digits as its factorization.

22121033243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94521.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22121033243 its reverse (34233012122), we get a palindrome (56354045365).

The spelling of 22121033243 in words is "twenty-two billion, one hundred twenty-one million, thirty-three thousand, two hundred forty-three".