121033111320223 has 4 divisors (see below), whose sum is σ = 121033223234640. Its totient is φ = 121032999405808.

The previous prime is 121033111320169. The next prime is 121033111320227. The reversal of 121033111320223 is 322023111330121.

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 121033111320223 - 2²¹ = 121033109223071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033111320227) 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, 54319003 + ... + 56503276.

It is an arithmetic number, because the mean of its divisors is an integer number (30258305808660).

Almost surely, 2^{121033111320223} is an apocalyptic number.

121033111320223 is a deficient number, since it is larger than the sum of its proper divisors (111914417).

121033111320223 is a wasteful number, since it uses less digits than its factorization.

121033111320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111914416.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121033111320223 its reverse (322023111330121), we get a palindrome (443056222650344).

The spelling of 121033111320223 in words is "one hundred twenty-one trillion, thirty-three billion, one hundred eleven million, three hundred twenty thousand, two hundred twenty-three".