20011213322222 has 8 divisors (see below), whose sum is σ = 30016848185136. Its totient is φ = 10005597260512.

The previous prime is 20011213322209. The next prime is 20011213322227. The reversal of 20011213322222 is 22222331211002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011213322227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641218 + ... + 6535749.

It is an arithmetic number, because the mean of its divisors is an integer number (3752106023142).

Almost surely, 2^{20011213322222} is an apocalyptic number.

20011213322222 is a deficient number, since it is larger than the sum of its proper divisors (10005634862914).

20011213322222 is a wasteful number, since it uses less digits than its factorization.

20011213322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400602.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20011213322222 its reverse (22222331211002), we get a palindrome (42233544533224).

The spelling of 20011213322222 in words is "twenty trillion, eleven billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred twenty-two".