4022211121 has 8 divisors (see below), whose sum is σ = 4030173000. Its totient is φ = 4014259200.

The previous prime is 4022211097. The next prime is 4022211143. The reversal of 4022211121 is 1211122204.

It can be written as a sum of positive squares in 4 ways, for example, as 335292721 + 3686918400 = 18311^2 + 60720^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022211121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4022211095 and 4022211104.

It is not an unprimeable number, because it can be changed into a prime (4022211191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888185 + ... + 1890313.

It is an arithmetic number, because the mean of its divisors is an integer number (503771625).

Almost surely, 2^4022211121 is an apocalyptic number.

It is an amenable number.

4022211121 is a deficient number, since it is larger than the sum of its proper divisors (7961879).

4022211121 is a wasteful number, since it uses less digits than its factorization.

4022211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 4022211121 is about 63420.9044479815. The cubic root of 4022211121 is about 1590.3337934284. Note that the first 3 decimals are identical.

Adding to 4022211121 its reverse (1211122204), we get a palindrome (5233333325).

The spelling of 4022211121 in words is "four billion, twenty-two million, two hundred eleven thousand, one hundred twenty-one".