2112021110001 has 16 divisors (see below), whose sum is σ = 3072068538048. Its totient is φ = 1279997030400.

The previous prime is 2112021109997. The next prime is 2112021110027. The reversal of 2112021110001 is 1000111202112.

It is not a de Polignac number, because 2112021110001 - 2² = 2112021109997 is a prime.

It is a super-2 number, since 2×2112021110001² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2112021810001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2685265 + ... + 3381521.

It is an arithmetic number, because the mean of its divisors is an integer number (192004283628).

Almost surely, 2^{2112021110001} is an apocalyptic number.

It is an amenable number.

2112021110001 is a deficient number, since it is larger than the sum of its proper divisors (960047428047).

2112021110001 is a wasteful number, since it uses less digits than its factorization.

2112021110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788192.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2112021110001 its reverse (1000111202112), we get a palindrome (3112132312113).

The spelling of 2112021110001 in words is "two trillion, one hundred twelve billion, twenty-one million, one hundred ten thousand, one".