20001102112 has 12 divisors (see below), whose sum is σ = 39377169846. Its totient is φ = 10000551040.

The previous prime is 20001102091. The next prime is 20001102161. The reversal of 20001102112 is 21120110002.

It can be written as a sum of positive squares in only one way, i.e., 13847640976 + 6153461136 = 117676^2 + 78444^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312517189 + ... + 312517252.

Almost surely, 2^20001102112 is an apocalyptic number.

It is an amenable number.

20001102112 is a deficient number, since it is larger than the sum of its proper divisors (19376067734).

20001102112 is an equidigital number, since it uses as much as digits as its factorization.

20001102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625034451 (or 625034443 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001102112 its reverse (21120110002), we get a palindrome (41121212114).

The spelling of 20001102112 in words is "twenty billion, one million, one hundred two thousand, one hundred twelve".