11101321031043 has 32 divisors (see below), whose sum is σ = 15968564640000. Its totient is φ = 6834381198336.

The previous prime is 11101321031039. The next prime is 11101321031051. The reversal of 11101321031043 is 34013012310111.

11101321031043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11101321031043 - 2² = 11101321031039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101321031033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1953418 + ... + 5100831.

It is an arithmetic number, because the mean of its divisors is an integer number (499017645000).

Almost surely, 2^{11101321031043} is an apocalyptic number.

11101321031043 is a deficient number, since it is larger than the sum of its proper divisors (4867243608957).

11101321031043 is a wasteful number, since it uses less digits than its factorization.

11101321031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054851.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11101321031043 its reverse (34013012310111), we get a palindrome (45114333341154).

The spelling of 11101321031043 in words is "eleven trillion, one hundred one billion, three hundred twenty-one million, thirty-one thousand, forty-three".