2112002121001 has 8 divisors (see below), whose sum is σ = 2125724844384. Its totient is φ = 2098288735200.

The previous prime is 2112002120993. The next prime is 2112002121017. The reversal of 2112002121001 is 1001212002112.

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 2112002121001 - 2³ = 2112002120993 is a prime.

It is a super-2 number, since 2×2112002121001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112002121101) 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, 1880275 + ... + 2785576.

It is an arithmetic number, because the mean of its divisors is an integer number (265715605548).

Almost surely, 2^{2112002121001} is an apocalyptic number.

It is an amenable number.

2112002121001 is a deficient number, since it is larger than the sum of its proper divisors (13722723383).

2112002121001 is a wasteful number, since it uses less digits than its factorization.

2112002121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668791.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112002121001 its reverse (1001212002112), we get a palindrome (3113214123113).

The spelling of 2112002121001 in words is "two trillion, one hundred twelve billion, two million, one hundred twenty-one thousand, one".