11041112421 has 12 divisors (see below), whose sum is σ = 15957627660. Its totient is φ = 7356424320.

The previous prime is 11041112419. The next prime is 11041112461. The reversal of 11041112421 is 12421114011.

11041112421 is a `hidden beast` number, since 1 + 10 + 411 + 1 + 242 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4301523396 + 6739589025 = 65586^2 + 82095^2 .

It is not a de Polignac number, because 11041112421 - 2¹ = 11041112419 is a prime.

It is a super-4 number, since 4×11041112421⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11041112394 and 11041112403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041112461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343540 + ... + 374301.

It is an arithmetic number, because the mean of its divisors is an integer number (1329802305).

Almost surely, 2^11041112421 is an apocalyptic number.

It is an amenable number.

11041112421 is a deficient number, since it is larger than the sum of its proper divisors (4916515239).

11041112421 is a wasteful number, since it uses less digits than its factorization.

11041112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719556 (or 719553 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11041112421 its reverse (12421114011), we get a palindrome (23462226432).

The spelling of 11041112421 in words is "eleven billion, forty-one million, one hundred twelve thousand, four hundred twenty-one".