20111010202112 has 20 divisors (see below), whose sum is σ = 40182741088446. Its totient is φ = 10055505100800.

The previous prime is 20111010202079. The next prime is 20111010202141. The reversal of 20111010202112 is 21120201011102.

It can be written as a sum of positive squares in only one way, i.e., 19534844190976 + 576166011136 = 4419824^2 + 759056^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19639657889 + ... + 19639658912.

Almost surely, 2^{20111010202112} is an apocalyptic number.

It is an amenable number.

20111010202112 is a deficient number, since it is larger than the sum of its proper divisors (20071730886334).

20111010202112 is an frugal number, since it uses more digits than its factorization.

20111010202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39279316819 (or 39279316803 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20111010202112 its reverse (21120201011102), we get a palindrome (41231211213214).

The spelling of 20111010202112 in words is "twenty trillion, one hundred eleven billion, ten million, two hundred two thousand, one hundred twelve".