20211201041 has 2 divisors, whose sum is σ = 20211201042. Its totient is φ = 20211201040.

The previous prime is 20211201019. The next prime is 20211201071. The reversal of 20211201041 is 14010211202.

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., 18048579025 + 2162622016 = 134345^2 + 46504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211201041 is a prime.

It is not a weakly prime, because it can be changed into another prime (20211201071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105600520 + 10105600521.

It is an arithmetic number, because the mean of its divisors is an integer number (10105600521).

Almost surely, 2^20211201041 is an apocalyptic number.

It is an amenable number.

20211201041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211201041 is an equidigital number, since it uses as much as digits as its factorization.

20211201041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20211201041 its reverse (14010211202), we get a palindrome (34221412243).

The spelling of 20211201041 in words is "twenty billion, two hundred eleven million, two hundred one thousand, forty-one".