122111223 has 8 divisors (see below), whose sum is σ = 175339248. Its totient is φ = 75145344.

The previous prime is 122111219. The next prime is 122111279. The reversal of 122111223 is 322111221.

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

It is not a de Polignac number, because 122111223 - 2² = 122111219 is a prime.

It is a super-2 number, since 2×122111223² = 29822301565111458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111023) 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, 1565490 + ... + 1565567.

It is an arithmetic number, because the mean of its divisors is an integer number (21917406).

Almost surely, 2^122111223 is an apocalyptic number.

122111223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122111223 is a deficient number, since it is larger than the sum of its proper divisors (53228025).

122111223 is a wasteful number, since it uses less digits than its factorization.

122111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131073.

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

The square root of 122111223 is about 11050.3946988332. The cubic root of 122111223 is about 496.1182391868.

Adding to 122111223 its reverse (322111221), we get a palindrome (444222444).

The spelling of 122111223 in words is "one hundred twenty-two million, one hundred eleven thousand, two hundred twenty-three".