22012120301 has 4 divisors (see below), whose sum is σ = 22045422204. Its totient is φ = 21978818400.

The previous prime is 22012120289. The next prime is 22012120309. The reversal of 22012120301 is 10302121022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10302121022 = 2 ⋅5151060511.

It can be written as a sum of positive squares in 2 ways, for example, as 18865022500 + 3147097801 = 137350^2 + 56099^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012120301 - 2¹⁰ = 22012119277 is a prime.

It is a super-3 number, since 3×22012120301³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012120309) 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, 16649960 + ... + 16651281.

It is an arithmetic number, because the mean of its divisors is an integer number (5511355551).

Almost surely, 2^22012120301 is an apocalyptic number.

It is an amenable number.

22012120301 is a deficient number, since it is larger than the sum of its proper divisors (33301903).

22012120301 is an equidigital number, since it uses as much as digits as its factorization.

22012120301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33301902.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22012120301 its reverse (10302121022), we get a palindrome (32314241323).

The spelling of 22012120301 in words is "twenty-two billion, twelve million, one hundred twenty thousand, three hundred one".