11211660226 has 8 divisors (see below), whose sum is σ = 18111143484. Its totient is φ = 5174612400.

The previous prime is 11211660151. The next prime is 11211660233. The reversal of 11211660226 is 62206611211.

It can be written as a sum of positive squares in 2 ways, for example, as 8445426201 + 2766234025 = 91899^2 + 52595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11211660194 and 11211660203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215608825 + ... + 215608876.

Almost surely, 2^11211660226 is an apocalyptic number.

11211660226 is a deficient number, since it is larger than the sum of its proper divisors (6899483258).

11211660226 is a wasteful number, since it uses less digits than its factorization.

11211660226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431217716.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 11211660226 in words is "eleven billion, two hundred eleven million, six hundred sixty thousand, two hundred twenty-six".