2101112100211 has 4 divisors (see below), whose sum is σ = 2126426703912. Its totient is φ = 2075797496512.

The previous prime is 2101112100193. The next prime is 2101112100229. The reversal of 2101112100211 is 1120012111012.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2101112100193) and next prime (2101112100229).

It is a cyclic number.

It is not a de Polignac number, because 2101112100211 - 2⁵ = 2101112100179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101112100191 and 2101112100200.

It is not an unprimeable number, because it can be changed into a prime (2101112100271) 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, 12657301726 + ... + 12657301891.

It is an arithmetic number, because the mean of its divisors is an integer number (531606675978).

Almost surely, 2^{2101112100211} is an apocalyptic number.

2101112100211 is a deficient number, since it is larger than the sum of its proper divisors (25314603701).

2101112100211 is an equidigital number, since it uses as much as digits as its factorization.

2101112100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25314603700.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2101112100211 its reverse (1120012111012), we get a palindrome (3221124211223).

The spelling of 2101112100211 in words is "two trillion, one hundred one billion, one hundred twelve million, one hundred thousand, two hundred eleven".