210112200011123 has 4 divisors (see below), whose sum is σ = 210119927308368. Its totient is φ = 210104472713880.

The previous prime is 210112200011117. The next prime is 210112200011141. The reversal of 210112200011123 is 321110002211012.

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 210112200011123 - 2¹² = 210112200007027 is a prime.

It is a super-2 number, since 2×210112200011123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210112200011143) 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, 3863607836 + ... + 3863662217.

It is an arithmetic number, because the mean of its divisors is an integer number (52529981827092).

Almost surely, 2^{210112200011123} is an apocalyptic number.

210112200011123 is a deficient number, since it is larger than the sum of its proper divisors (7727297245).

210112200011123 is an equidigital number, since it uses as much as digits as its factorization.

210112200011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727297244.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210112200011123 its reverse (321110002211012), we get a palindrome (531222202222135).

The spelling of 210112200011123 in words is "two hundred ten trillion, one hundred twelve billion, two hundred million, eleven thousand, one hundred twenty-three".