20221122013 has 2 divisors, whose sum is σ = 20221122014. Its totient is φ = 20221122012.

The previous prime is 20221122011. The next prime is 20221122023. The reversal of 20221122013 is 31022112202.

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., 20124827044 + 96294969 = 141862^2 + 9813^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221122013 - 2¹ = 20221122011 is a prime.

Together with 20221122011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221122011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110561006 + 10110561007.

It is an arithmetic number, because the mean of its divisors is an integer number (10110561007).

Almost surely, 2^20221122013 is an apocalyptic number.

It is an amenable number.

20221122013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221122013 is an equidigital number, since it uses as much as digits as its factorization.

20221122013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20221122013 its reverse (31022112202), we get a palindrome (51243234215).

The spelling of 20221122013 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, thirteen".