11371021 has 4 divisors (see below), whose sum is σ = 11383200. Its totient is φ = 11358844.

The previous prime is 11370971. The next prime is 11371027. The reversal of 11371021 is 12017311.

11371021 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: 12017311 = 467 ⋅25733.

It is a cyclic number.

It is not a de Polignac number, because 11371021 - 2⁹ = 11370509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11370986 and 11371004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11371027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4561 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (2845800).

Almost surely, 2^11371021 is an apocalyptic number.

It is an amenable number.

11371021 is a deficient number, since it is larger than the sum of its proper divisors (12179).

11371021 is a wasteful number, since it uses less digits than its factorization.

11371021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12178.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11371021 is about 3372.0944530069. The cubic root of 11371021 is about 224.8708460422.

Adding to 11371021 its reverse (12017311), we get a palindrome (23388332).

The spelling of 11371021 in words is "eleven million, three hundred seventy-one thousand, twenty-one".