20122230101 has 4 divisors (see below), whose sum is σ = 20321460204. Its totient is φ = 19923000000.

The previous prime is 20122230043. The next prime is 20122230151. The reversal of 20122230101 is 10103222102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16129254001 + 3992976100 = 127001^2 + 63190^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122230101 - 2¹⁴ = 20122213717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122230151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99614900 + ... + 99615101.

It is an arithmetic number, because the mean of its divisors is an integer number (5080365051).

Almost surely, 2^20122230101 is an apocalyptic number.

It is an amenable number.

20122230101 is a deficient number, since it is larger than the sum of its proper divisors (199230103).

20122230101 is a wasteful number, since it uses less digits than its factorization.

20122230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199230102.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20122230101 its reverse (10103222102), we get a palindrome (30225452203).

The spelling of 20122230101 in words is "twenty billion, one hundred twenty-two million, two hundred thirty thousand, one hundred one".