1011011221124 has 12 divisors (see below), whose sum is σ = 1769281060764. Its totient is φ = 505502346624.

The previous prime is 1011011221123. The next prime is 1011011221133. The reversal of 1011011221124 is 4211221101101.

It can be written as a sum of positive squares in 2 ways, for example, as 812309243524 + 198701977600 = 901282^2 + 445760^2 .

It is not an unprimeable number, because it can be changed into a prime (1011011221123) 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 3 ways as a sum of consecutive naturals, for example, 36257 + ... + 1422440.

It is an arithmetic number, because the mean of its divisors is an integer number (147440088397).

Almost surely, 2^{1011011221124} is an apocalyptic number.

It is an amenable number.

1011011221124 is a deficient number, since it is larger than the sum of its proper divisors (758269839640).

1011011221124 is a wasteful number, since it uses less digits than its factorization.

1011011221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631974 (or 1631972 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1011011221124 its reverse (4211221101101), we get a palindrome (5222232322225).

The spelling of 1011011221124 in words is "one trillion, eleven billion, eleven million, two hundred twenty-one thousand, one hundred twenty-four".