4221134211 has 16 divisors (see below), whose sum is σ = 6455948288. Its totient is φ = 2403172800.

The previous prime is 4221134207. The next prime is 4221134231. The reversal of 4221134211 is 1124311224.

It is not a de Polignac number, because 4221134211 - 2² = 4221134207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221134231) 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, 365170 + ... + 376551.

It is an arithmetic number, because the mean of its divisors is an integer number (403496768).

Almost surely, 2^4221134211 is an apocalyptic number.

4221134211 is a deficient number, since it is larger than the sum of its proper divisors (2234814077).

4221134211 is a wasteful number, since it uses less digits than its factorization.

4221134211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742002.

The product of its digits is 384, while the sum is 21.

The square root of 4221134211 is about 64970.2563562743. The cubic root of 4221134211 is about 1616.1303529042.

Adding to 4221134211 its reverse (1124311224), we get a palindrome (5345445435).

The spelling of 4221134211 in words is "four billion, two hundred twenty-one million, one hundred thirty-four thousand, two hundred eleven".