1110002131481 has 2 divisors, whose sum is σ = 1110002131482. Its totient is φ = 1110002131480.

The previous prime is 1110002131463. The next prime is 1110002131507. The reversal of 1110002131481 is 1841312000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828236505625 + 281765625856 = 910075^2 + 530816^2 .

It is an emirp because it is prime and its reverse (1841312000111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110002131481 - 2⁶ = 1110002131417 is a prime.

It is a super-2 number, since 2×1110002131481² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1110002131421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555001065740 + 555001065741.

It is an arithmetic number, because the mean of its divisors is an integer number (555001065741).

Almost surely, 2^{1110002131481} is an apocalyptic number.

It is an amenable number.

1110002131481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110002131481 is an equidigital number, since it uses as much as digits as its factorization.

1110002131481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 1110002131481 its reverse (1841312000111), we get a palindrome (2951314131592).

The spelling of 1110002131481 in words is "one trillion, one hundred ten billion, two million, one hundred thirty-one thousand, four hundred eighty-one".