122122113220 has 12 divisors (see below), whose sum is σ = 256456437804. Its totient is φ = 48848845280.

The previous prime is 122122113203. The next prime is 122122113271. The reversal of 122122113220 is 22311221221.

It can be written as a sum of positive squares in 2 ways, for example, as 22709284416 + 99412828804 = 150696^2 + 315298^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053052811 + ... + 3053052850.

It is an arithmetic number, because the mean of its divisors is an integer number (21371369817).

Almost surely, 2^122122113220 is an apocalyptic number.

122122113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122113220 is an abundant number, since it is smaller than the sum of its proper divisors (134334324584).

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

122122113220 is a wasteful number, since it uses less digits than its factorization.

122122113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106105670 (or 6106105668 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122122113220 its reverse (22311221221), we get a palindrome (144433334441).

The spelling of 122122113220 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred twenty".