1121121231393 has 16 divisors (see below), whose sum is σ = 1612622774016. Its totient is φ = 690175998720.

The previous prime is 1121121231367. The next prime is 1121121231431. The reversal of 1121121231393 is 3931321211211.

It is a de Polignac number, because none of the positive numbers 2^k-1121121231393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121121231393.

It is not an unprimeable number, because it can be changed into a prime (1121121231313) 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, 207381913 + ... + 207387318.

It is an arithmetic number, because the mean of its divisors is an integer number (100788923376).

Almost surely, 2^{1121121231393} is an apocalyptic number.

It is an amenable number.

1121121231393 is a deficient number, since it is larger than the sum of its proper divisors (491501542623).

1121121231393 is a wasteful number, since it uses less digits than its factorization.

1121121231393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414769304.

The product of its digits is 1944, while the sum is 30.

The spelling of 1121121231393 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred ninety-three".