2120912111193 has 16 divisors (see below), whose sum is σ = 2853935937600. Its totient is φ = 1400915839680.

The previous prime is 2120912111191. The next prime is 2120912111287. The reversal of 2120912111193 is 3911112190212.

It is not a de Polignac number, because 2120912111193 - 2¹ = 2120912111191 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120912111191) 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, 9592458 + ... + 9811068.

It is an arithmetic number, because the mean of its divisors is an integer number (178370996100).

Almost surely, 2^{2120912111193} is an apocalyptic number.

It is an amenable number.

2120912111193 is a deficient number, since it is larger than the sum of its proper divisors (733023826407).

2120912111193 is a wasteful number, since it uses less digits than its factorization.

2120912111193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248392.

The product of its (nonzero) digits is 1944, while the sum is 33.

The spelling of 2120912111193 in words is "two trillion, one hundred twenty billion, nine hundred twelve million, one hundred eleven thousand, one hundred ninety-three".