11432021 has 2 divisors, whose sum is σ = 11432022. Its totient is φ = 11432020.

The previous prime is 11431993. The next prime is 11432027. The reversal of 11432021 is 12023411.

11432021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10491121 + 940900 = 3239^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 11432021 - 2⁶ = 11431957 is a prime.

It is a super-2 number, since 2×11432021² = 261382208288882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11431987 and 11432005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11432027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5716010 + 5716011.

It is an arithmetic number, because the mean of its divisors is an integer number (5716011).

Almost surely, 2^11432021 is an apocalyptic number.

It is an amenable number.

11432021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11432021 is an equidigital number, since it uses as much as digits as its factorization.

11432021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11432021 is about 3381.1271789153. The cubic root of 11432021 is about 225.2722367319.

Adding to 11432021 its reverse (12023411), we get a palindrome (23455432).

The spelling of 11432021 in words is "eleven million, four hundred thirty-two thousand, twenty-one".