2112100210121 has 8 divisors (see below), whose sum is σ = 2353132923264. Its totient is φ = 1879238097520.

The previous prime is 2112100210007. The next prime is 2112100210159. The reversal of 2112100210121 is 1210120012112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112100210121 - 2³⁴ = 2094920340937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2112100210096 and 2112100210105.

It is not an unprimeable number, because it can be changed into a prime (2112100210621) 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, 2042649590 + ... + 2042650623.

It is an arithmetic number, because the mean of its divisors is an integer number (294141615408).

Almost surely, 2^{2112100210121} is an apocalyptic number.

It is an amenable number.

2112100210121 is a deficient number, since it is larger than the sum of its proper divisors (241032713143).

2112100210121 is a wasteful number, since it uses less digits than its factorization.

2112100210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085300271.

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

Adding to 2112100210121 its reverse (1210120012112), we get a palindrome (3322220222233).

The spelling of 2112100210121 in words is "two trillion, one hundred twelve billion, one hundred million, two hundred ten thousand, one hundred twenty-one".