11012111131124 has 24 divisors (see below), whose sum is σ = 19306557386760. Its totient is φ = 5495953821696.

The previous prime is 11012111131121. The next prime is 11012111131139. The reversal of 11012111131124 is 42113111121011.

It can be written as a sum of positive squares in 4 ways, for example, as 7664426140900 + 3347684990224 = 2768470^2 + 1829668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11012111131096 and 11012111131105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012111131121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22927712 + ... + 23403080.

It is an arithmetic number, because the mean of its divisors is an integer number (804439891115).

Almost surely, 2^{11012111131124} is an apocalyptic number.

It is an amenable number.

11012111131124 is a deficient number, since it is larger than the sum of its proper divisors (8294446255636).

11012111131124 is a wasteful number, since it uses less digits than its factorization.

11012111131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485987 (or 485985 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 11012111131124 its reverse (42113111121011), we get a palindrome (53125222252135).

The spelling of 11012111131124 in words is "eleven trillion, twelve billion, one hundred eleven million, one hundred thirty-one thousand, one hundred twenty-four".