20220021102112 has 48 divisors (see below), whose sum is σ = 42874548053400. Its totient is φ = 9331399913472.

The previous prime is 20220021102091. The next prime is 20220021102121. The reversal of 20220021102112 is 21120112002202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10143180346896 + 10076840755216 = 3184836^2 + 3174404^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1856014 + ... + 6624562.

Almost surely, 2^{20220021102112} is an apocalyptic number.

It is an amenable number.

20220021102112 is an abundant number, since it is smaller than the sum of its proper divisors (22654526951288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220021102112 is a wasteful number, since it uses less digits than its factorization.

20220021102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778765 (or 4778757 counting only the distinct ones).

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

Adding to 20220021102112 its reverse (21120112002202), we get a palindrome (41340133104314).

The spelling of 20220021102112 in words is "twenty trillion, two hundred twenty billion, twenty-one million, one hundred two thousand, one hundred twelve".