201122023001 has 2 divisors, whose sum is σ = 201122023002. Its totient is φ = 201122023000.

The previous prime is 201122022971. The next prime is 201122023019. The reversal of 201122023001 is 100320221102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200212397401 + 909625600 = 447451^2 + 30160^2 .

It is a cyclic number.

It is not a de Polignac number, because 201122023001 - 2²² = 201117828697 is a prime.

It is not a weakly prime, because it can be changed into another prime (201122023021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561011500 + 100561011501.

It is an arithmetic number, because the mean of its divisors is an integer number (100561011501).

Almost surely, 2^201122023001 is an apocalyptic number.

It is an amenable number.

201122023001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122023001 is an equidigital number, since it uses as much as digits as its factorization.

201122023001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201122023001 its reverse (100320221102), we get a palindrome (301442244103).

The spelling of 201122023001 in words is "two hundred one billion, one hundred twenty-two million, twenty-three thousand, one".