201112401481 has 2 divisors, whose sum is σ = 201112401482. Its totient is φ = 201112401480.

The previous prime is 201112401463. The next prime is 201112401487. The reversal of 201112401481 is 184104211102.

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., 130693818256 + 70418583225 = 361516^2 + 265365^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112401481 - 2⁵ = 201112401449 is a prime.

It is a super-2 number, since 2×201112401481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201112401487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556200740 + 100556200741.

It is an arithmetic number, because the mean of its divisors is an integer number (100556200741).

Almost surely, 2^201112401481 is an apocalyptic number.

It is an amenable number.

201112401481 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112401481 is an equidigital number, since it uses as much as digits as its factorization.

201112401481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 201112401481 its reverse (184104211102), we get a palindrome (385216612583).

The spelling of 201112401481 in words is "two hundred one billion, one hundred twelve million, four hundred one thousand, four hundred eighty-one".