201024034261 has 2 divisors, whose sum is σ = 201024034262. Its totient is φ = 201024034260.

The previous prime is 201024034249. The next prime is 201024034363. The reversal of 201024034261 is 162430420102.

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., 157089359025 + 43934675236 = 396345^2 + 209606^2 .

It is a cyclic number.

It is not a de Polignac number, because 201024034261 - 2¹¹ = 201024032213 is a prime.

It is a super-2 number, since 2×201024034261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201024034241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100512017130 + 100512017131.

It is an arithmetic number, because the mean of its divisors is an integer number (100512017131).

Almost surely, 2^201024034261 is an apocalyptic number.

It is an amenable number.

201024034261 is a deficient number, since it is larger than the sum of its proper divisors (1).

201024034261 is an equidigital number, since it uses as much as digits as its factorization.

201024034261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 201024034261 its reverse (162430420102), we get a palindrome (363454454363).

The spelling of 201024034261 in words is "two hundred one billion, twenty-four million, thirty-four thousand, two hundred sixty-one".