22012120241 has 4 divisors (see below), whose sum is σ = 22771158900. Its totient is φ = 21253081584.

The previous prime is 22012120231. The next prime is 22012120243. The reversal of 22012120241 is 14202121022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7765310641 + 14246809600 = 88121^2 + 119360^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012120241 - 2¹⁴ = 22012103857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012120243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379519286 + ... + 379519343.

It is an arithmetic number, because the mean of its divisors is an integer number (5692789725).

Almost surely, 2^22012120241 is an apocalyptic number.

It is an amenable number.

22012120241 is a deficient number, since it is larger than the sum of its proper divisors (759038659).

22012120241 is an equidigital number, since it uses as much as digits as its factorization.

22012120241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759038658.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012120241 its reverse (14202121022), we get a palindrome (36214241263).

The spelling of 22012120241 in words is "twenty-two billion, twelve million, one hundred twenty thousand, two hundred forty-one".