22603006121 has 2 divisors, whose sum is σ = 22603006122. Its totient is φ = 22603006120.

The previous prime is 22603006117. The next prime is 22603006159. The reversal of 22603006121 is 12160030622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20754436096 + 1848570025 = 144064^2 + 42995^2 .

It is a cyclic number.

It is not a de Polignac number, because 22603006121 - 2² = 22603006117 is a prime.

It is not a weakly prime, because it can be changed into another prime (22603006021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11301503060 + 11301503061.

It is an arithmetic number, because the mean of its divisors is an integer number (11301503061).

Almost surely, 2^22603006121 is an apocalyptic number.

It is an amenable number.

22603006121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22603006121 is an equidigital number, since it uses as much as digits as its factorization.

22603006121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22603006121 its reverse (12160030622), we get a palindrome (34763036743).

The spelling of 22603006121 in words is "twenty-two billion, six hundred three million, six thousand, one hundred twenty-one".