1123210121193 has 8 divisors (see below), whose sum is σ = 1664014994400. Its totient is φ = 748806747444.

The previous prime is 1123210121167. The next prime is 1123210121207. The reversal of 1123210121193 is 3911210123211.

It is not a de Polignac number, because 1123210121193 - 2⁶ = 1123210121129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 41600374859 = 1123210121193 / (1 + 1 + 2 + 3 + 2 + 1 + 0 + 1 + 2 + 1 + 1 + 9 + 3).

It is not an unprimeable number, because it can be changed into a prime (1123210161193) 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, 20800187403 + ... + 20800187456.

It is an arithmetic number, because the mean of its divisors is an integer number (208001874300).

Almost surely, 2^{1123210121193} is an apocalyptic number.

It is an amenable number.

1123210121193 is a deficient number, since it is larger than the sum of its proper divisors (540804873207).

1123210121193 is an equidigital number, since it uses as much as digits as its factorization.

1123210121193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41600374868 (or 41600374862 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 1123210121193 in words is "one trillion, one hundred twenty-three billion, two hundred ten million, one hundred twenty-one thousand, one hundred ninety-three".