4020222101 has 12 divisors (see below), whose sum is σ = 4951679148. Its totient is φ = 3243203712.

The previous prime is 4020222001. The next prime is 4020222191. The reversal of 4020222101 is 1012220204.

It can be written as a sum of positive squares in 2 ways, for example, as 1879309201 + 2140912900 = 43351^2 + 46270^2 .

It is not a de Polignac number, because 4020222101 - 2²⁶ = 3953113237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020222191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2412266 + ... + 2413931.

It is an arithmetic number, because the mean of its divisors is an integer number (412639929).

Almost surely, 2^4020222101 is an apocalyptic number.

It is an amenable number.

4020222101 is a deficient number, since it is larger than the sum of its proper divisors (931457047).

4020222101 is a wasteful number, since it uses less digits than its factorization.

4020222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826228 (or 4826221 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4020222101 is about 63405.2214017111. The cubic root of 4020222101 is about 1590.0716053614.

Adding to 4020222101 its reverse (1012220204), we get a palindrome (5032442305).

The spelling of 4020222101 in words is "four billion, twenty million, two hundred twenty-two thousand, one hundred one".