200122012001 has 2 divisors, whose sum is σ = 200122012002. Its totient is φ = 200122012000.

The previous prime is 200122011979. The next prime is 200122012049. The reversal of 200122012001 is 100210221002.

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., 198505891600 + 1616120401 = 445540^2 + 40201^2 .

It is a cyclic number.

It is not a de Polignac number, because 200122012001 - 2¹⁴ = 200121995617 is a prime.

It is not a weakly prime, because it can be changed into another prime (200122012061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061006000 + 100061006001.

It is an arithmetic number, because the mean of its divisors is an integer number (100061006001).

Almost surely, 2^200122012001 is an apocalyptic number.

It is an amenable number.

200122012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122012001 is an equidigital number, since it uses as much as digits as its factorization.

200122012001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200122012001 its reverse (100210221002), we get a palindrome (300332233003).

The spelling of 200122012001 in words is "two hundred billion, one hundred twenty-two million, twelve thousand, one".