2112211816573 has 8 divisors (see below), whose sum is σ = 2123519055840. Its totient is φ = 2100916811280.

The previous prime is 2112211816513. The next prime is 2112211816597. The reversal of 2112211816573 is 3756181122112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112211816573 is a prime.

It is a super-2 number, since 2×2112211816573² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112211816513) 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, 2712163 + ... + 3402976.

It is an arithmetic number, because the mean of its divisors is an integer number (265439881980).

Almost surely, 2^{2112211816573} is an apocalyptic number.

It is an amenable number.

2112211816573 is a deficient number, since it is larger than the sum of its proper divisors (11307239267).

2112211816573 is a wasteful number, since it uses less digits than its factorization.

2112211816573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116987.

The product of its digits is 40320, while the sum is 40.

Adding to 2112211816573 its reverse (3756181122112), we get a palindrome (5868392938685).

The spelling of 2112211816573 in words is "two trillion, one hundred twelve billion, two hundred eleven million, eight hundred sixteen thousand, five hundred seventy-three".