2100111201210 has 64 divisors (see below), whose sum is σ = 5552913377664. Its totient is φ = 504077088000.

The previous prime is 2100111201193. The next prime is 2100111201263. The reversal of 2100111201210 is 121021110012.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31471489 + ... + 31538148.

It is an arithmetic number, because the mean of its divisors is an integer number (86764271526).

Almost surely, 2^{2100111201210} is an apocalyptic number.

2100111201210 is an abundant number, since it is smaller than the sum of its proper divisors (3452802176454).

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

2100111201210 is a wasteful number, since it uses less digits than its factorization.

2100111201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63009759.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2100111201210 its reverse (121021110012), we get a palindrome (2221132311222).

It can be divided in two parts, 21001 and 11201210, that added together give a palindrome (11222211).

The spelling of 2100111201210 in words is "two trillion, one hundred billion, one hundred eleven million, two hundred one thousand, two hundred ten".