20223300121 has 2 divisors, whose sum is σ = 20223300122. Its totient is φ = 20223300120.

The previous prime is 20223300103. The next prime is 20223300131. The reversal of 20223300121 is 12100332202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20158320400 + 64979721 = 141980^2 + 8061^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223300121 - 2²³ = 20214911513 is a prime.

It is a super-2 number, since 2×20223300121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20223300095 and 20223300104.

It is not a weakly prime, because it can be changed into another prime (20223300131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111650060 + 10111650061.

It is an arithmetic number, because the mean of its divisors is an integer number (10111650061).

Almost surely, 2^20223300121 is an apocalyptic number.

It is an amenable number.

20223300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223300121 is an equidigital number, since it uses as much as digits as its factorization.

20223300121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20223300121 its reverse (12100332202), we get a palindrome (32323632323).

The spelling of 20223300121 in words is "twenty billion, two hundred twenty-three million, three hundred thousand, one hundred twenty-one".