1101222302981 has 2 divisors, whose sum is σ = 1101222302982. Its totient is φ = 1101222302980.

The previous prime is 1101222302899. The next prime is 1101222303029. The reversal of 1101222302981 is 1892032221011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654911458756 + 446310844225 = 809266^2 + 668065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101222302981 - 2¹⁸ = 1101222040837 is a prime.

It is a super-2 number, since 2×1101222302981² (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 (1101222301981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550611151490 + 550611151491.

It is an arithmetic number, because the mean of its divisors is an integer number (550611151491).

Almost surely, 2^{1101222302981} is an apocalyptic number.

It is an amenable number.

1101222302981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101222302981 is an equidigital number, since it uses as much as digits as its factorization.

1101222302981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

Adding to 1101222302981 its reverse (1892032221011), we get a palindrome (2993254523992).

The spelling of 1101222302981 in words is "one trillion, one hundred one billion, two hundred twenty-two million, three hundred two thousand, nine hundred eighty-one".