122011223 has 4 divisors (see below), whose sum is σ = 122475408. Its totient is φ = 121547040.

The previous prime is 122011213. The next prime is 122011229. The reversal of 122011223 is 322110221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322110221 = 29 ⋅11107249.

It is a cyclic number.

It is not a de Polignac number, because 122011223 - 2¹⁰ = 122010199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122011198 and 122011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231698 + ... + 232223.

It is an arithmetic number, because the mean of its divisors is an integer number (30618852).

Almost surely, 2^122011223 is an apocalyptic number.

122011223 is a deficient number, since it is larger than the sum of its proper divisors (464185).

122011223 is an equidigital number, since it uses as much as digits as its factorization.

122011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464184.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122011223 is about 11045.8690468428. The cubic root of 122011223 is about 495.9827742348.

Adding to 122011223 its reverse (322110221), we get a palindrome (444121444).

The spelling of 122011223 in words is "one hundred twenty-two million, eleven thousand, two hundred twenty-three".