20001102001192 has 32 divisors (see below), whose sum is σ = 40414000838400. Its totient is φ = 9225069787584.

The previous prime is 20001102001087. The next prime is 20001102001213. The reversal of 20001102001192 is 29110020110002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64511892 + ... + 64821187.

It is an arithmetic number, because the mean of its divisors is an integer number (1262937526200).

Almost surely, 2^{20001102001192} is an apocalyptic number.

It is an amenable number.

20001102001192 is an abundant number, since it is smaller than the sum of its proper divisors (20412898837208).

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

20001102001192 is a wasteful number, since it uses less digits than its factorization.

20001102001192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129334585 (or 129334581 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 20001102001192 its reverse (29110020110002), we get a palindrome (49111122111194).

The spelling of 20001102001192 in words is "twenty trillion, one billion, one hundred two million, one thousand, one hundred ninety-two".