2011133042 has 4 divisors (see below), whose sum is σ = 3016699566. Its totient is φ = 1005566520.

The previous prime is 2011133021. The next prime is 2011133051. The reversal of 2011133042 is 2403311102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1197229201 + 813903841 = 34601^2 + 28529^2 .

It is a super-2 number, since 2×2011133042² = 8089312225248347528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011133042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502783259 + ... + 502783262.

Almost surely, 2^2011133042 is an apocalyptic number.

2011133042 is a deficient number, since it is larger than the sum of its proper divisors (1005566524).

2011133042 is a wasteful number, since it uses less digits than its factorization.

2011133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005566523.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2011133042 is about 44845.6580060991. The cubic root of 2011133042 is about 1262.2545177975.

Adding to 2011133042 its reverse (2403311102), we get a palindrome (4414444144).

The spelling of 2011133042 in words is "two billion, eleven million, one hundred thirty-three thousand, forty-two".