2112001210121 has 8 divisors (see below), whose sum is σ = 2304539312544. Its totient is φ = 1919552773120.

The previous prime is 2112001210103. The next prime is 2112001210153. The reversal of 2112001210121 is 1210121002112.

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 2112001210121 - 2³⁰ = 2110927468297 is a prime.

It is a super-2 number, since 2×2112001210121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

2112001210121 is a modest number, since divided by 1210121 gives 21120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2112001210096 and 2112001210105.

It is not an unprimeable number, because it can be changed into a prime (2112001210421) 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, 22367096 + ... + 22461321.

It is an arithmetic number, because the mean of its divisors is an integer number (288067414068).

Almost surely, 2^{2112001210121} is an apocalyptic number.

It is an amenable number.

2112001210121 is a deficient number, since it is larger than the sum of its proper divisors (192538102423).

2112001210121 is a wasteful number, since it uses less digits than its factorization.

2112001210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44832711.

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

Adding to 2112001210121 its reverse (1210121002112), we get a palindrome (3322122212233).

The spelling of 2112001210121 in words is "two trillion, one hundred twelve billion, one million, two hundred ten thousand, one hundred twenty-one".