212021122003 has 2 divisors, whose sum is σ = 212021122004. Its totient is φ = 212021122002.

The previous prime is 212021121997. The next prime is 212021122031. The reversal of 212021122003 is 300221120212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021122003 is a prime.

It is a super-2 number, since 2×212021122003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212021122063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010561001 + 106010561002.

It is an arithmetic number, because the mean of its divisors is an integer number (106010561002).

Almost surely, 2^212021122003 is an apocalyptic number.

212021122003 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021122003 is an equidigital number, since it uses as much as digits as its factorization.

212021122003 is an odious number, because the sum of its binary digits is odd.

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

Adding to 212021122003 its reverse (300221120212), we get a palindrome (512242242215).

The spelling of 212021122003 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-two thousand, three".