121121223 has 8 divisors (see below), whose sum is σ = 161616000. Its totient is φ = 80686968.

The previous prime is 121121213. The next prime is 121121227. The reversal of 121121223 is 322121121.

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

It is not a de Polignac number, because 121121223 - 2⁵ = 121121191 is a prime.

It is a super-2 number, since 2×121121223² = 29340701322031458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121227) 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, 10233 + ... + 18626.

It is an arithmetic number, because the mean of its divisors is an integer number (20202000).

Almost surely, 2^121121223 is an apocalyptic number.

121121223 is a deficient number, since it is larger than the sum of its proper divisors (40494777).

121121223 is a wasteful number, since it uses less digits than its factorization.

121121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30261.

The product of its digits is 48, while the sum is 15.

The square root of 121121223 is about 11005.5087569817. The cubic root of 121121223 is about 494.7738626283.

Adding to 121121223 its reverse (322121121), we get a palindrome (443242344).

The spelling of 121121223 in words is "one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-three".