22021120001012 has 48 divisors (see below), whose sum is σ = 43872061169664. Its totient is φ = 9573548556000.

The previous prime is 22021120001011. The next prime is 22021120001039. The reversal of 22021120001012 is 21010002112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021120001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10484837 + ... + 12408627.

It is an arithmetic number, because the mean of its divisors is an integer number (914001274368).

Almost surely, 2^{22021120001012} is an apocalyptic number.

22021120001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22021120001012 is a deficient number, since it is larger than the sum of its proper divisors (21850941168652).

22021120001012 is a wasteful number, since it uses less digits than its factorization.

22021120001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935140 (or 1935138 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021120001012 its reverse (21010002112022), we get a palindrome (43031122113034).

The spelling of 22021120001012 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, one thousand, twelve".