122122222221110 has 32 divisors (see below), whose sum is σ = 219858027192000. Its totient is φ = 48840439190400.

The previous prime is 122122222221019. The next prime is 122122222221113. The reversal of 122122222221110 is 11122222221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122222221113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706797616 + ... + 1706869164.

It is an arithmetic number, because the mean of its divisors is an integer number (6870563349750).

Almost surely, 2^{122122222221110} is an apocalyptic number.

122122222221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122222221110 is a deficient number, since it is larger than the sum of its proper divisors (97735804970890).

122122222221110 is a wasteful number, since it uses less digits than its factorization.

122122222221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98696.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122122222221110 its reverse (11122222221221), we get a palindrome (133244444442331).

The spelling of 122122222221110 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred ten".