11201204122 has 16 divisors (see below), whose sum is σ = 17709130440. Its totient is φ = 5305448512.

The previous prime is 11201204101. The next prime is 11201204143. The reversal of 11201204122 is 22140210211.

It is an interprime number because it is at equal distance from previous prime (11201204101) and next prime (11201204143).

It can be written as a sum of positive squares in 4 ways, for example, as 7846593561 + 3354610561 = 88581^2 + 57919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11201204096 and 11201204105.

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, 1818853 + ... + 1825000.

Almost surely, 2^11201204122 is an apocalyptic number.

11201204122 is a deficient number, since it is larger than the sum of its proper divisors (6507926318).

11201204122 is a wasteful number, since it uses less digits than its factorization.

11201204122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643937.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11201204122 its reverse (22140210211), we get a palindrome (33341414333).

The spelling of 11201204122 in words is "eleven billion, two hundred one million, two hundred four thousand, one hundred twenty-two".