20222111122012 has 48 divisors (see below), whose sum is σ = 35815176432000. Its totient is φ = 9989390974464.

The previous prime is 20222111121959. The next prime is 20222111122021. The reversal of 20222111122012 is 21022111122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3891109798 + ... + 3891114994.

It is an arithmetic number, because the mean of its divisors is an integer number (746149509000).

Almost surely, 2^{20222111122012} is an apocalyptic number.

It is an amenable number.

20222111122012 is a deficient number, since it is larger than the sum of its proper divisors (15593065309988).

20222111122012 is a wasteful number, since it uses less digits than its factorization.

20222111122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11998 (or 11996 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20222111122012 its reverse (21022111122202), we get a palindrome (41244222244214).

The spelling of 20222111122012 in words is "twenty trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, twelve".