11200340421 has 32 divisors (see below), whose sum is σ = 16666849920. Its totient is φ = 7433793792.

The previous prime is 11200340413. The next prime is 11200340423. The reversal of 11200340421 is 12404300211.

11200340421 is a `hidden beast` number, since 1 + 1 + 200 + 3 + 40 + 421 = 666.

It is not a de Polignac number, because 11200340421 - 2³ = 11200340413 is a prime.

It is a super-3 number, since 3×11200340421³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11200340394 and 11200340403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200340423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8568850 + ... + 8570156.

It is an arithmetic number, because the mean of its divisors is an integer number (520839060).

Almost surely, 2^11200340421 is an apocalyptic number.

It is an amenable number.

11200340421 is a deficient number, since it is larger than the sum of its proper divisors (5466509499).

11200340421 is a wasteful number, since it uses less digits than its factorization.

11200340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11200340421 its reverse (12404300211), we get a palindrome (23604640632).

The spelling of 11200340421 in words is "eleven billion, two hundred million, three hundred forty thousand, four hundred twenty-one".