20220111001012 has 12 divisors (see below), whose sum is σ = 38107132271236. Its totient is φ = 9332358923520.

The previous prime is 20220111001001. The next prime is 20220111001081. The reversal of 20220111001012 is 21010011102202.

It can be written as a sum of positive squares in 2 ways, for example, as 2978399446416 + 17241711554596 = 1725804^2 + 4152314^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20220111000983 and 20220111001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194424144189 + ... + 194424144292.

Almost surely, 2^{20220111001012} is an apocalyptic number.

It is an amenable number.

20220111001012 is a deficient number, since it is larger than the sum of its proper divisors (17887021270224).

20220111001012 is a wasteful number, since it uses less digits than its factorization.

20220111001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388848288498 (or 388848288496 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20220111001012 its reverse (21010011102202), we get a palindrome (41230122103214).

The spelling of 20220111001012 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, one thousand, twelve".