20100111200210 has 96 divisors (see below), whose sum is σ = 38653640363520. Its totient is φ = 7521534751104.

The previous prime is 20100111200201. The next prime is 20100111200227. The reversal of 20100111200210 is 1200211100102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20100111200191 and 20100111200200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361231571 + ... + 361287209.

It is an arithmetic number, because the mean of its divisors is an integer number (402642087120).

Almost surely, 2^{20100111200210} is an apocalyptic number.

20100111200210 is a deficient number, since it is larger than the sum of its proper divisors (18553529163310).

20100111200210 is a wasteful number, since it uses less digits than its factorization.

20100111200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57192 (or 57169 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20100111200210 its reverse (1200211100102), we get a palindrome (21300322300312).

The spelling of 20100111200210 in words is "twenty trillion, one hundred billion, one hundred eleven million, two hundred thousand, two hundred ten".