11412224021 has 12 divisors (see below), whose sum is σ = 12556906656. Its totient is φ = 10364086920.

The previous prime is 11412224003. The next prime is 11412224039. The reversal of 11412224021 is 12042221411.

It is an interprime number because it is at equal distance from previous prime (11412224003) and next prime (11412224039).

It is not a de Polignac number, because 11412224021 - 2⁶ = 11412223957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11412223984 and 11412224002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11412224051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70970 + ... + 166916.

It is an arithmetic number, because the mean of its divisors is an integer number (1046408888).

Almost surely, 2^11412224021 is an apocalyptic number.

11412224021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11412224021 is a deficient number, since it is larger than the sum of its proper divisors (1144682635).

11412224021 is an equidigital number, since it uses as much as digits as its factorization.

11412224021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96952 (or 96941 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11412224021 its reverse (12042221411), we get a palindrome (23454445432).

The spelling of 11412224021 in words is "eleven billion, four hundred twelve million, two hundred twenty-four thousand, twenty-one".