22022121110012 has 24 divisors (see below), whose sum is σ = 38574342565920. Its totient is φ = 11000882819520.

The previous prime is 22022121110009. The next prime is 22022121110039. The reversal of 22022121110012 is 21001112122022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36267062 + ... + 36869282.

It is an arithmetic number, because the mean of its divisors is an integer number (1607264273580).

Almost surely, 2^{22022121110012} is an apocalyptic number.

It is an amenable number.

22022121110012 is a deficient number, since it is larger than the sum of its proper divisors (16552221455908).

22022121110012 is a wasteful number, since it uses less digits than its factorization.

22022121110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610661 (or 610659 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22022121110012 its reverse (21001112122022), we get a palindrome (43023233232034).

The spelling of 22022121110012 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-one million, one hundred ten thousand, twelve".