201011000401 has 2 divisors, whose sum is σ = 201011000402. Its totient is φ = 201011000400.

The previous prime is 201011000387. The next prime is 201011000423. The reversal of 201011000401 is 104000110102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157707471376 + 43303529025 = 397124^2 + 208095^2 .

It is a cyclic number.

It is not a de Polignac number, because 201011000401 - 2⁵ = 201011000369 is a prime.

It is not a weakly prime, because it can be changed into another prime (201011000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505500200 + 100505500201.

It is an arithmetic number, because the mean of its divisors is an integer number (100505500201).

Almost surely, 2^201011000401 is an apocalyptic number.

It is an amenable number.

201011000401 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011000401 is an equidigital number, since it uses as much as digits as its factorization.

201011000401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201011000401 its reverse (104000110102), we get a palindrome (305011110503).

The spelling of 201011000401 in words is "two hundred one billion, eleven million, four hundred one", and thus it is an aban number.