2112201099969 has 4 divisors (see below), whose sum is σ = 2816268133296. Its totient is φ = 1408134066644.

The previous prime is 2112201099947. The next prime is 2112201099971. The reversal of 2112201099969 is 9699901022112.

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 2112201099969 - 2¹⁵ = 2112201067201 is a prime.

It is a super-2 number, since 2×2112201099969² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112201099919) 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, 352033516659 + ... + 352033516664.

It is an arithmetic number, because the mean of its divisors is an integer number (704067033324).

Almost surely, 2^{2112201099969} is an apocalyptic number.

It is an amenable number.

2112201099969 is a deficient number, since it is larger than the sum of its proper divisors (704067033327).

2112201099969 is an equidigital number, since it uses as much as digits as its factorization.

2112201099969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704067033326.

The product of its (nonzero) digits is 314928, while the sum is 51.

The spelling of 2112201099969 in words is "two trillion, one hundred twelve billion, two hundred one million, ninety-nine thousand, nine hundred sixty-nine".