20322222012111 has 16 divisors (see below), whose sum is σ = 27439925235200. Its totient is φ = 13376341375488.

The previous prime is 20322222012107. The next prime is 20322222012121. The reversal of 20322222012111 is 11121022222302.

It is not a de Polignac number, because 20322222012111 - 2² = 20322222012107 is a prime.

It is a super-2 number, since 2×20322222012111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322222012101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9445560 + ... + 11395746.

It is an arithmetic number, because the mean of its divisors is an integer number (1714995327200).

Almost surely, 2^{20322222012111} is an apocalyptic number.

20322222012111 is a deficient number, since it is larger than the sum of its proper divisors (7117703223089).

20322222012111 is a wasteful number, since it uses less digits than its factorization.

20322222012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994238.

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

Adding to 20322222012111 its reverse (11121022222302), we get a palindrome (31443244234413).

The spelling of 20322222012111 in words is "twenty trillion, three hundred twenty-two billion, two hundred twenty-two million, twelve thousand, one hundred eleven".