11414414021 has 2 divisors, whose sum is σ = 11414414022. Its totient is φ = 11414414020.

The previous prime is 11414414009. The next prime is 11414414083. The reversal of 11414414021 is 12041441411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7633516900 + 3780897121 = 87370^2 + 61489^2 .

It is a cyclic number.

It is not a de Polignac number, because 11414414021 - 2⁶ = 11414413957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11414414821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707207010 + 5707207011.

It is an arithmetic number, because the mean of its divisors is an integer number (5707207011).

Almost surely, 2^11414414021 is an apocalyptic number.

It is an amenable number.

11414414021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11414414021 is an equidigital number, since it uses as much as digits as its factorization.

11414414021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 11414414021 its reverse (12041441411), we get a palindrome (23455855432).

The spelling of 11414414021 in words is "eleven billion, four hundred fourteen million, four hundred fourteen thousand, twenty-one".