122222122110 has 96 divisors (see below), whose sum is σ = 348793630848. Its totient is φ = 29447789760.

The previous prime is 122222122109. The next prime is 122222122117. The reversal of 122222122110 is 11221222221.

It is a happy number.

122222122110 is a `hidden beast` number, since 1 + 222 + 221 + 221 + 1 + 0 = 666.

122222122110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222122117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217332 + ... + 540071.

It is an arithmetic number, because the mean of its divisors is an integer number (3633266988).

Almost surely, 2^122222122110 is an apocalyptic number.

122222122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122222122110 is an abundant number, since it is smaller than the sum of its proper divisors (226571508738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122222122110 is a wasteful number, since it uses less digits than its factorization.

122222122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757590 (or 757587 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122222122110 its reverse (11221222221), we get a palindrome (133443344331).

The spelling of 122222122110 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".