121111000223 has 8 divisors (see below), whose sum is σ = 127157202480. Its totient is φ = 115189462080.

The previous prime is 121111000217. The next prime is 121111000237. The reversal of 121111000223 is 322000111121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121111000223 - 2¹⁸ = 121110738079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121111000198 and 121111000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111000253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31164038 + ... + 31167923.

It is an arithmetic number, because the mean of its divisors is an integer number (15894650310).

Almost surely, 2^121111000223 is an apocalyptic number.

121111000223 is a deficient number, since it is larger than the sum of its proper divisors (6046202257).

121111000223 is an equidigital number, since it uses as much as digits as its factorization.

121111000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62332057.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121111000223 its reverse (322000111121), we get a palindrome (443111111344).

The spelling of 121111000223 in words is "one hundred twenty-one billion, one hundred eleven million, two hundred twenty-three", and thus it is an aban number.