22421110121012 has 12 divisors (see below), whose sum is σ = 39977262385956. Its totient is φ = 10999035153600.

The previous prime is 22421110120993. The next prime is 22421110121041. The reversal of 22421110121012 is 21012101112422.

It can be written as a sum of positive squares in 2 ways, for example, as 18234642201616 + 4186467919396 = 4270204^2 + 2046086^2 .

It is a congruent number.

It is an unprimeable number.

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, 52879976489 + ... + 52879976912.

It is an arithmetic number, because the mean of its divisors is an integer number (3331438532163).

Almost surely, 2^{22421110121012} is an apocalyptic number.

It is an amenable number.

22421110121012 is a deficient number, since it is larger than the sum of its proper divisors (17556152264944).

22421110121012 is a wasteful number, since it uses less digits than its factorization.

22421110121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105759953458 (or 105759953456 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22421110121012 its reverse (21012101112422), we get a palindrome (43433211233434).

The spelling of 22421110121012 in words is "twenty-two trillion, four hundred twenty-one billion, one hundred ten million, one hundred twenty-one thousand, twelve".