20221201322031 has 16 divisors (see below), whose sum is σ = 27211342878720. Its totient is φ = 13355952023520.

The previous prime is 20221201322027. The next prime is 20221201322051. The reversal of 20221201322031 is 13022310212202.

It is not a de Polignac number, because 20221201322031 - 2² = 20221201322027 is a prime.

It is a super-2 number, since 2×20221201322031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20221201321989 and 20221201322007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221201322051) 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 15 ways as a sum of consecutive naturals, for example, 1028566 + ... + 6442076.

It is an arithmetic number, because the mean of its divisors is an integer number (1700708929920).

Almost surely, 2^{20221201322031} is an apocalyptic number.

20221201322031 is a deficient number, since it is larger than the sum of its proper divisors (6990141556689).

20221201322031 is a wasteful number, since it uses less digits than its factorization.

20221201322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425046.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20221201322031 its reverse (13022310212202), we get a palindrome (33243511534233).

The spelling of 20221201322031 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, three hundred twenty-two thousand, thirty-one".