4012241121 has 20 divisors (see below), whose sum is σ = 6849823552. Its totient is φ = 2292708888.

The previous prime is 4012241087. The next prime is 4012241131. The reversal of 4012241121 is 1211422104.

4012241121 is a `hidden beast` number, since 401 + 2 + 241 + 1 + 21 = 666.

It is not a de Polignac number, because 4012241121 - 2⁷ = 4012240993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4012241094 and 4012241103.

It is not an unprimeable number, because it can be changed into a prime (4012241131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3537565 + ... + 3538698.

Almost surely, 2^4012241121 is an apocalyptic number.

It is an amenable number.

4012241121 is a deficient number, since it is larger than the sum of its proper divisors (2837582431).

4012241121 is an equidigital number, since it uses as much as digits as its factorization.

4012241121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7076282 (or 7076273 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4012241121 is about 63342.2538358085. The cubic root of 4012241121 is about 1589.0187002990.

Adding to 4012241121 its reverse (1211422104), we get a palindrome (5223663225).

The spelling of 4012241121 in words is "four billion, twelve million, two hundred forty-one thousand, one hundred twenty-one".