2011522533242 has 16 divisors (see below), whose sum is σ = 3051250485480. Its totient is φ = 994439516928.

The previous prime is 2011522533151. The next prime is 2011522533257. The reversal of 2011522533242 is 2423352251102.

It can be written as a sum of positive squares in 4 ways, for example, as 1124721759841 + 886800773401 = 1060529^2 + 941701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2011522533199 and 2011522533208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11432318 + ... + 11606934.

Almost surely, 2^{2011522533242} is an apocalyptic number.

2011522533242 is a deficient number, since it is larger than the sum of its proper divisors (1039727952238).

2011522533242 is a wasteful number, since it uses less digits than its factorization.

2011522533242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239425.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2011522533242 its reverse (2423352251102), we get a palindrome (4434874784344).

The spelling of 2011522533242 in words is "two trillion, eleven billion, five hundred twenty-two million, five hundred thirty-three thousand, two hundred forty-two".