121103011122223 has 4 divisors (see below), whose sum is σ = 130418627362408. Its totient is φ = 111787394882040.

The previous prime is 121103011122221. The next prime is 121103011122229. The reversal of 121103011122223 is 322221110301121.

It is a happy number.

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 121103011122223 - 2¹ = 121103011122221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121103011122194 and 121103011122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103011122221) 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, 4657808120073 + ... + 4657808120098.

It is an arithmetic number, because the mean of its divisors is an integer number (32604656840602).

Almost surely, 2^{121103011122223} is an apocalyptic number.

121103011122223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121103011122223 is a deficient number, since it is larger than the sum of its proper divisors (9315616240185).

121103011122223 is an equidigital number, since it uses as much as digits as its factorization.

121103011122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315616240184.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121103011122223 its reverse (322221110301121), we get a palindrome (443324121423344).

The spelling of 121103011122223 in words is "one hundred twenty-one trillion, one hundred three billion, eleven million, one hundred twenty-two thousand, two hundred twenty-three".