2112166211349 has 8 divisors (see below), whose sum is σ = 2863954185120. Its totient is φ = 1384244522576.

The previous prime is 2112166211333. The next prime is 2112166211387. The reversal of 2112166211349 is 9431126612112.

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 2112166211349 - 2⁴ = 2112166211333 is a prime.

It is a super-2 number, since 2×2112166211349² (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 (2112166211849) 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, 5966571042 + ... + 5966571395.

It is an arithmetic number, because the mean of its divisors is an integer number (357994273140).

Almost surely, 2^{2112166211349} is an apocalyptic number.

It is an amenable number.

2112166211349 is a deficient number, since it is larger than the sum of its proper divisors (751787973771).

2112166211349 is a wasteful number, since it uses less digits than its factorization.

2112166211349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933142499.

The product of its digits is 31104, while the sum is 39.

The spelling of 2112166211349 in words is "two trillion, one hundred twelve billion, one hundred sixty-six million, two hundred eleven thousand, three hundred forty-nine".