2146222101 has 16 divisors (see below), whose sum is σ = 2955460608. Its totient is φ = 1383946800.

The previous prime is 2146222093. The next prime is 2146222129. The reversal of 2146222101 is 1012226412.

It is not a de Polignac number, because 2146222101 - 2³ = 2146222093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146222901) 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 15 ways as a sum of consecutive naturals, for example, 222856 + ... + 232286.

It is an arithmetic number, because the mean of its divisors is an integer number (184716288).

Almost surely, 2^2146222101 is an apocalyptic number.

It is an amenable number.

2146222101 is a deficient number, since it is larger than the sum of its proper divisors (809238507).

2146222101 is a wasteful number, since it uses less digits than its factorization.

2146222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11912.

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

The square root of 2146222101 is about 46327.3364332550. The cubic root of 2146222101 is about 1289.9064693921.

Adding to 2146222101 its reverse (1012226412), we get a palindrome (3158448513).

The spelling of 2146222101 in words is "two billion, one hundred forty-six million, two hundred twenty-two thousand, one hundred one".