4211221231 has 8 divisors (see below), whose sum is σ = 4828503680. Its totient is φ = 3597858648.

The previous prime is 4211221141. The next prime is 4211221241. The reversal of 4211221231 is 1321221124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4211221231 - 2¹⁹ = 4210696943 is a prime.

It is a super-2 number, since 2×4211221231² = 35468768512850310722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4211221199 and 4211221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4211221241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977661 + ... + 981958.

It is an arithmetic number, because the mean of its divisors is an integer number (603562960).

Almost surely, 2^4211221231 is an apocalyptic number.

4211221231 is a deficient number, since it is larger than the sum of its proper divisors (617282449).

4211221231 is a wasteful number, since it uses less digits than its factorization.

4211221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959933.

The product of its digits is 192, while the sum is 19.

The square root of 4211221231 is about 64893.9229127042. The cubic root of 4211221231 is about 1614.8642456988.

Adding to 4211221231 its reverse (1321221124), we get a palindrome (5532442355).

The spelling of 4211221231 in words is "four billion, two hundred eleven million, two hundred twenty-one thousand, two hundred thirty-one".