122110221 has 8 divisors (see below), whose sum is σ = 164874880. Its totient is φ = 80376192.

The previous prime is 122110217. The next prime is 122110267. The reversal of 122110221 is 122011221.

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

It is not a de Polignac number, because 122110221 - 2² = 122110217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122110197 and 122110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110211) 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, 257380 + ... + 257853.

It is an arithmetic number, because the mean of its divisors is an integer number (20609360).

Almost surely, 2^122110221 is an apocalyptic number.

It is an amenable number.

122110221 is a deficient number, since it is larger than the sum of its proper divisors (42764659).

122110221 is an equidigital number, since it uses as much as digits as its factorization.

122110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515315.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 122110221 is about 11050.3493609931. The cubic root of 122110221 is about 496.1168821949.

Adding to 122110221 its reverse (122011221), we get a palindrome (244121442).

The spelling of 122110221 in words is "one hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".