22022202101 has 4 divisors (see below), whose sum is σ = 23317625772. Its totient is φ = 20726778432.

The previous prime is 22022202089. The next prime is 22022202113. The reversal of 22022202101 is 10120222022.

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

It is an interprime number because it is at equal distance from previous prime (22022202089) and next prime (22022202113).

It can be written as a sum of positive squares in 2 ways, for example, as 12309902500 + 9712299601 = 110950^2 + 98551^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022202101 - 2³⁰ = 20948460277 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 (22022202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647711810 + ... + 647711843.

It is an arithmetic number, because the mean of its divisors is an integer number (5829406443).

Almost surely, 2^22022202101 is an apocalyptic number.

It is an amenable number.

22022202101 is a deficient number, since it is larger than the sum of its proper divisors (1295423671).

22022202101 is a wasteful number, since it uses less digits than its factorization.

22022202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295423670.

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

Adding to 22022202101 its reverse (10120222022), we get a palindrome (32142424123).

The spelling of 22022202101 in words is "twenty-two billion, twenty-two million, two hundred two thousand, one hundred one".