11020513122 has 48 divisors (see below), whose sum is σ = 24938858880. Its totient is φ = 3513627936.

The previous prime is 11020513117. The next prime is 11020513151. The reversal of 11020513122 is 22131502011.

11020513122 is a `hidden beast` number, since 1 + 10 + 20 + 513 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11020513095 and 11020513104.

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 23 ways as a sum of consecutive naturals, for example, 100938 + ... + 179525.

It is an arithmetic number, because the mean of its divisors is an integer number (519559560).

Almost surely, 2^11020513122 is an apocalyptic number.

11020513122 is an abundant number, since it is smaller than the sum of its proper divisors (13918345758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020513122 is a wasteful number, since it uses less digits than its factorization.

11020513122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280567 (or 280564 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The spelling of 11020513122 in words is "eleven billion, twenty million, five hundred thirteen thousand, one hundred twenty-two".