122122122 has 16 divisors (see below), whose sum is σ = 248248992. Its totient is φ = 40039920.

The previous prime is 122122097. The next prime is 122122129. The reversal of 122122122 is 221221221.

It is a nude number because it is divisible by every one of its digits.

122122122 is a modest number, since divided by 122122 gives 122 as remainder.

It is not an unprimeable number, because it can be changed into a prime (122122129) 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, 166468 + ... + 167199.

It is an arithmetic number, because the mean of its divisors is an integer number (15515562).

Almost surely, 2^122122122 is an apocalyptic number.

122122122 is an abundant number, since it is smaller than the sum of its proper divisors (126126870).

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

122122122 is a wasteful number, since it uses less digits than its factorization.

122122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333733.

The product of its digits is 64, while the sum is 15.

The square root of 122122122 is about 11050.8878376355. The cubic root of 122122122 is about 496.1329990418.

Adding to 122122122 its reverse (221221221), we get a palindrome (343343343).

Subtracting 122122122 from its reverse (221221221), we obtain a palindrome (99099099).

It can be divided in two parts, 1221221 and 22, that multiplied together give a palindrome (26866862).

The spelling of 122122122 in words is "one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".