11045431101121 has 2 divisors, whose sum is σ = 11045431101122. Its totient is φ = 11045431101120.

The previous prime is 11045431101053. The next prime is 11045431101137. The reversal of 11045431101121 is 12110113454011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9679721000625 + 1365710100496 = 3111225^2 + 1168636^2 .

It is an emirp because it is prime and its reverse (12110113454011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11045431101121 - 2⁹ = 11045431100609 is a prime.

It is a super-2 number, since 2×11045431101121² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11045431101151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522715550560 + 5522715550561.

It is an arithmetic number, because the mean of its divisors is an integer number (5522715550561).

Almost surely, 2^{11045431101121} is an apocalyptic number.

It is an amenable number.

11045431101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11045431101121 is an equidigital number, since it uses as much as digits as its factorization.

11045431101121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 11045431101121 its reverse (12110113454011), we get a palindrome (23155544555132).

The spelling of 11045431101121 in words is "eleven trillion, forty-five billion, four hundred thirty-one million, one hundred one thousand, one hundred twenty-one".