11421101 has 4 divisors (see below), whose sum is σ = 11686752. Its totient is φ = 11155452.

The previous prime is 11421079. The next prime is 11421119. The reversal of 11421101 is 10112411.

11421101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10112411 = 229 ⋅44159.

It is a cyclic number.

It is not a de Polignac number, because 11421101 - 2⁶ = 11421037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132761 + ... + 132846.

It is an arithmetic number, because the mean of its divisors is an integer number (2921688).

Almost surely, 2^11421101 is an apocalyptic number.

It is an amenable number.

11421101 is a deficient number, since it is larger than the sum of its proper divisors (265651).

11421101 is an equidigital number, since it uses as much as digits as its factorization.

11421101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265650.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11421101 is about 3379.5119470125. The cubic root of 11421101 is about 225.2004863241.

Adding to 11421101 its reverse (10112411), we get a palindrome (21533512).

The spelling of 11421101 in words is "eleven million, four hundred twenty-one thousand, one hundred one".