20223322121 has 2 divisors, whose sum is σ = 20223322122. Its totient is φ = 20223322120.

The previous prime is 20223322109. The next prime is 20223322153. The reversal of 20223322121 is 12122332202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14795316496 + 5428005625 = 121636^2 + 73675^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223322121 - 2¹⁴ = 20223305737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20223322093 and 20223322102.

It is not a weakly prime, because it can be changed into another prime (20223322181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111661060 + 10111661061.

It is an arithmetic number, because the mean of its divisors is an integer number (10111661061).

Almost surely, 2^20223322121 is an apocalyptic number.

It is an amenable number.

20223322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223322121 is an equidigital number, since it uses as much as digits as its factorization.

20223322121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20223322121 its reverse (12122332202), we get a palindrome (32345654323).

The spelling of 20223322121 in words is "twenty billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-one".