4011220001 has 4 divisors (see below), whose sum is σ = 4011431472. Its totient is φ = 4011008532.

The previous prime is 4011219991. The next prime is 4011220007. The reversal of 4011220001 is 1000221104.

4011220001 is digitally balanced in base 2, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4011220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4011220007) 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, 74135 + ... + 116268.

It is an arithmetic number, because the mean of its divisors is an integer number (1002857868).

Almost surely, 2^4011220001 is an apocalyptic number.

It is an amenable number.

4011220001 is a deficient number, since it is larger than the sum of its proper divisors (211471).

4011220001 is a wasteful number, since it uses less digits than its factorization.

4011220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211470.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 4011220001 is about 63334.1929845167. The cubic root of 4011220001 is about 1588.8838864967.

Adding to 4011220001 its reverse (1000221104), we get a palindrome (5011441105).

The spelling of 4011220001 in words is "four billion, eleven million, two hundred twenty thousand, one".