11066124421 has 8 divisors (see below), whose sum is σ = 12117016800. Its totient is φ = 10022712240.

The previous prime is 11066124409. The next prime is 11066124427. The reversal of 11066124421 is 12442166011.

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

It is a cyclic number.

It is not a de Polignac number, because 11066124421 - 2¹¹ = 11066122373 is a prime.

It is a super-3 number, since 3×11066124421³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11066124421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11066124427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866951 + ... + 1872868.

It is an arithmetic number, because the mean of its divisors is an integer number (1514627100).

Almost surely, 2^11066124421 is an apocalyptic number.

11066124421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11066124421 is a deficient number, since it is larger than the sum of its proper divisors (1050892379).

11066124421 is a wasteful number, since it uses less digits than its factorization.

11066124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740099.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 11066124421 in words is "eleven billion, sixty-six million, one hundred twenty-four thousand, four hundred twenty-one".