22111121120012 has 6 divisors (see below), whose sum is σ = 38694461960028. Its totient is φ = 11055560560004.

The previous prime is 22111121119999. The next prime is 22111121120021. The reversal of 22111121120012 is 21002112111122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2763890139998 + ... + 2763890140005.

It is an arithmetic number, because the mean of its divisors is an integer number (6449076993338).

Almost surely, 2^{22111121120012} is an apocalyptic number.

It is an amenable number.

22111121120012 is a deficient number, since it is larger than the sum of its proper divisors (16583340840016).

22111121120012 is a wasteful number, since it uses less digits than its factorization.

22111121120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527780280007 (or 5527780280005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111121120012 its reverse (21002112111122), we get a palindrome (43113233231134).

The spelling of 22111121120012 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, twelve".