1121101122223 has 4 divisors (see below), whose sum is σ = 1159759781640. Its totient is φ = 1082442462808.

The previous prime is 1121101122217. The next prime is 1121101122233. The reversal of 1121101122223 is 3222211011211.

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 1121101122223 - 2⁹ = 1121101121711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121101122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121101122233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19329329665 + ... + 19329329722.

It is an arithmetic number, because the mean of its divisors is an integer number (289939945410).

Almost surely, 2^{1121101122223} is an apocalyptic number.

1121101122223 is a deficient number, since it is larger than the sum of its proper divisors (38658659417).

1121101122223 is an equidigital number, since it uses as much as digits as its factorization.

1121101122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38658659416.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1121101122223 its reverse (3222211011211), we get a palindrome (4343312133434).

The spelling of 1121101122223 in words is "one trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty-three".