210112200011121 has 8 divisors (see below), whose sum is σ = 280421326110144. Its totient is φ = 139938936959760.

The previous prime is 210112200011117. The next prime is 210112200011141. The reversal of 210112200011121 is 121110002211012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210112200011121 - 2² = 210112200011117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210112200011121.

It is not an unprimeable number, because it can be changed into a prime (210112200011141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33965758306 + ... + 33965764491.

It is an arithmetic number, because the mean of its divisors is an integer number (35052665763768).

Almost surely, 2^{210112200011121} is an apocalyptic number.

It is an amenable number.

210112200011121 is a deficient number, since it is larger than the sum of its proper divisors (70309126099023).

210112200011121 is a wasteful number, since it uses less digits than its factorization.

210112200011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67931523831.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210112200011121 its reverse (121110002211012), we get a palindrome (331222202222133).

The spelling of 210112200011121 in words is "two hundred ten trillion, one hundred twelve billion, two hundred million, eleven thousand, one hundred twenty-one".