20222101213 has 4 divisors (see below), whose sum is σ = 20294066268. Its totient is φ = 20150136160.

The previous prime is 20222101199. The next prime is 20222101219. The reversal of 20222101213 is 31210122202.

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 18224190009 + 1997911204 = 134997^2 + 44698^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222101213 - 2¹⁷ = 20221970141 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 (20222101219) 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, 35982106 + ... + 35982667.

It is an arithmetic number, because the mean of its divisors is an integer number (5073516567).

Almost surely, 2^20222101213 is an apocalyptic number.

It is an amenable number.

20222101213 is a deficient number, since it is larger than the sum of its proper divisors (71965055).

20222101213 is an equidigital number, since it uses as much as digits as its factorization.

20222101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71965054.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20222101213 its reverse (31210122202), we get a palindrome (51432223415).

The spelling of 20222101213 in words is "twenty billion, two hundred twenty-two million, one hundred one thousand, two hundred thirteen".