2100112021211 has 4 divisors (see below), whose sum is σ = 2100117175152. Its totient is φ = 2100106867272.

The previous prime is 2100112021193. The next prime is 2100112021219. The reversal of 2100112021211 is 1121202110012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100112021211 - 2³⁴ = 2082932152027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100112021219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907840 + ... + 2800013.

It is an arithmetic number, because the mean of its divisors is an integer number (525029293788).

Almost surely, 2^{2100112021211} is an apocalyptic number.

2100112021211 is a deficient number, since it is larger than the sum of its proper divisors (5153941).

2100112021211 is an equidigital number, since it uses as much as digits as its factorization.

2100112021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153940.

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

Adding to 2100112021211 its reverse (1121202110012), we get a palindrome (3221314131223).

The spelling of 2100112021211 in words is "two trillion, one hundred billion, one hundred twelve million, twenty-one thousand, two hundred eleven".