1211103322193 has 4 divisors (see below), whose sum is σ = 1250171171328. Its totient is φ = 1172035473060.

The previous prime is 1211103322189. The next prime is 1211103322207. The reversal of 1211103322193 is 3912233011121.

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 1211103322193 - 2² = 1211103322189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211103322993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19533924521 + ... + 19533924582.

It is an arithmetic number, because the mean of its divisors is an integer number (312542792832).

Almost surely, 2^{1211103322193} is an apocalyptic number.

It is an amenable number.

1211103322193 is a deficient number, since it is larger than the sum of its proper divisors (39067849135).

1211103322193 is an equidigital number, since it uses as much as digits as its factorization.

1211103322193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39067849134.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 1211103322193 in words is "one trillion, two hundred eleven billion, one hundred three million, three hundred twenty-two thousand, one hundred ninety-three".