122102110001220 has 96 divisors (see below), whose sum is σ = 351316185631488. Its totient is φ = 31663393961472.

The previous prime is 122102110001117. The next prime is 122102110001321. The reversal of 122102110001220 is 22100011201221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122102110001220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10788927 + ... + 18989606.

It is an arithmetic number, because the mean of its divisors is an integer number (3659543600328).

Almost surely, 2^{122102110001220} is an apocalyptic number.

122102110001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122102110001220 is an abundant number, since it is smaller than the sum of its proper divisors (229214075630268).

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

122102110001220 is a wasteful number, since it uses less digits than its factorization.

122102110001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29780429 (or 29780427 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122102110001220 its reverse (22100011201221), we get a palindrome (144202121202441).

The spelling of 122102110001220 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred ten million, one thousand, two hundred twenty".