1121123233311 has 4 divisors (see below), whose sum is σ = 1494830977752. Its totient is φ = 747415488872.

The previous prime is 1121123233283. The next prime is 1121123233369. The reversal of 1121123233311 is 1133323211211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121123233311 - 2¹⁸ = 1121122971167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121123213311) 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, 186853872216 + ... + 186853872221.

It is an arithmetic number, because the mean of its divisors is an integer number (373707744438).

Almost surely, 2^{1121123233311} is an apocalyptic number.

1121123233311 is a deficient number, since it is larger than the sum of its proper divisors (373707744441).

1121123233311 is an equidigital number, since it uses as much as digits as its factorization.

1121123233311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373707744440.

The product of its digits is 648, while the sum is 24.

Adding to 1121123233311 its reverse (1133323211211), we get a palindrome (2254446444522).

The spelling of 1121123233311 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, two hundred thirty-three thousand, three hundred eleven".