4221001131 has 16 divisors (see below), whose sum is σ = 5823607680. Its totient is φ = 2717668800.

The previous prime is 4221000967. The next prime is 4221001133. The reversal of 4221001131 is 1311001224.

It is not a de Polignac number, because 4221001131 - 2¹³ = 4220992939 is a prime.

It is a super-2 number, since 2×4221001131² = 35633701095806558322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4221001131.

It is not an unprimeable number, because it can be changed into a prime (4221001133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172345 + ... + 195306.

It is an arithmetic number, because the mean of its divisors is an integer number (363975480).

Almost surely, 2^4221001131 is an apocalyptic number.

4221001131 is a deficient number, since it is larger than the sum of its proper divisors (1602606549).

4221001131 is a wasteful number, since it uses less digits than its factorization.

4221001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367786.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 4221001131 is about 64969.2321872438. The cubic root of 4221001131 is about 1616.1133687733.

Adding to 4221001131 its reverse (1311001224), we get a palindrome (5532002355).

The spelling of 4221001131 in words is "four billion, two hundred twenty-one million, one thousand, one hundred thirty-one".