1101252302981 has 2 divisors, whose sum is σ = 1101252302982. Its totient is φ = 1101252302980.

The previous prime is 1101252302977. The next prime is 1101252303181. The reversal of 1101252302981 is 1892032521011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1096596424225 + 4655878756 = 1047185^2 + 68234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101252302981 - 2² = 1101252302977 is a prime.

It is a super-2 number, since 2×1101252302981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101252302921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550626151490 + 550626151491.

It is an arithmetic number, because the mean of its divisors is an integer number (550626151491).

Almost surely, 2^{1101252302981} is an apocalyptic number.

It is an amenable number.

1101252302981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101252302981 is an equidigital number, since it uses as much as digits as its factorization.

1101252302981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

Adding to 1101252302981 its reverse (1892032521011), we get a palindrome (2993284823992).

The spelling of 1101252302981 in words is "one trillion, one hundred one billion, two hundred fifty-two million, three hundred two thousand, nine hundred eighty-one".