20211122003 has 2 divisors, whose sum is σ = 20211122004. Its totient is φ = 20211122002.

The previous prime is 20211121991. The next prime is 20211122021. The reversal of 20211122003 is 30022111202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20211122003 - 2⁶ = 20211121939 is a prime.

It is not a weakly prime, because it can be changed into another prime (20211122033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105561001 + 10105561002.

It is an arithmetic number, because the mean of its divisors is an integer number (10105561002).

Almost surely, 2^20211122003 is an apocalyptic number.

20211122003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211122003 is an equidigital number, since it uses as much as digits as its factorization.

20211122003 is an evil number, because the sum of its binary digits is even.

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

Adding to 20211122003 its reverse (30022111202), we get a palindrome (50233233205).

The spelling of 20211122003 in words is "twenty billion, two hundred eleven million, one hundred twenty-two thousand, three".