2111210230111 has 4 divisors (see below), whose sum is σ = 2111263181224. Its totient is φ = 2111157279000.

The previous prime is 2111210230099. The next prime is 2111210230121. The reversal of 2111210230111 is 1110320121112.

It is a happy number.

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 2111210230111 - 2¹⁷ = 2111210099039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111210230121) 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, 26415705 + ... + 26495506.

It is an arithmetic number, because the mean of its divisors is an integer number (527815795306).

Almost surely, 2^{2111210230111} is an apocalyptic number.

2111210230111 is a deficient number, since it is larger than the sum of its proper divisors (52951113).

2111210230111 is an equidigital number, since it uses as much as digits as its factorization.

2111210230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52951112.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2111210230111 its reverse (1110320121112), we get a palindrome (3221530351223).

The spelling of 2111210230111 in words is "two trillion, one hundred eleven billion, two hundred ten million, two hundred thirty thousand, one hundred eleven".