2112212002101 has 4 divisors (see below), whose sum is σ = 2816282669472. Its totient is φ = 1408141334732.

The previous prime is 2112212002057. The next prime is 2112212002111. The reversal of 2112212002101 is 1012002122112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112212002101 - 2⁶ = 2112212002037 is a prime.

It is a super-2 number, since 2×2112212002101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112212002111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352035333681 + ... + 352035333686.

It is an arithmetic number, because the mean of its divisors is an integer number (704070667368).

Almost surely, 2^{2112212002101} is an apocalyptic number.

It is an amenable number.

2112212002101 is a deficient number, since it is larger than the sum of its proper divisors (704070667371).

2112212002101 is an equidigital number, since it uses as much as digits as its factorization.

2112212002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704070667370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112212002101 its reverse (1012002122112), we get a palindrome (3124214124213).

The spelling of 2112212002101 in words is "two trillion, one hundred twelve billion, two hundred twelve million, two thousand, one hundred one".