2193078935211 has 16 divisors (see below), whose sum is σ = 3122515061760. Its totient is φ = 1366100336160.

The previous prime is 2193078935183. The next prime is 2193078935317. The reversal of 2193078935211 is 1125398703912.

It is a happy number.

It is not a de Polignac number, because 2193078935211 - 2⁹ = 2193078934699 is a prime.

It is a super-4 number, since 4×2193078935211⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2193078935111) 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, 406574785 + ... + 406580178.

It is an arithmetic number, because the mean of its divisors is an integer number (195157191360).

Almost surely, 2^{2193078935211} is an apocalyptic number.

2193078935211 is a deficient number, since it is larger than the sum of its proper divisors (929436126549).

2193078935211 is a wasteful number, since it uses less digits than its factorization.

2193078935211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813155026.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 2193078935211 in words is "two trillion, one hundred ninety-three billion, seventy-eight million, nine hundred thirty-five thousand, two hundred eleven".