20221120021012 has 6 divisors (see below), whose sum is σ = 35386960036778. Its totient is φ = 10110560010504.

The previous prime is 20221120021009. The next prime is 20221120021033. The reversal of 20221120021012 is 21012002112202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20117341975696 + 103778045316 = 4485236^2 + 322146^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527640002623 + ... + 2527640002630.

Almost surely, 2^{20221120021012} is an apocalyptic number.

It is an amenable number.

20221120021012 is a deficient number, since it is larger than the sum of its proper divisors (15165840015766).

20221120021012 is a wasteful number, since it uses less digits than its factorization.

20221120021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055280005257 (or 5055280005255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221120021012 its reverse (21012002112202), we get a palindrome (41233122133214).

The spelling of 20221120021012 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty million, twenty-one thousand, twelve".