121102003323020 has 48 divisors (see below), whose sum is σ = 267863702050560. Its totient is φ = 45863079159744.

The previous prime is 121102003323017. The next prime is 121102003323029. The reversal of 121102003323020 is 20323300201121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 121102003322983 and 121102003323001.

It is not an unprimeable number, because it can be changed into a prime (121102003323029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97319504 + ... + 98556023.

It is an arithmetic number, because the mean of its divisors is an integer number (5580493792720).

Almost surely, 2^{121102003323020} is an apocalyptic number.

121102003323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102003323020 is an abundant number, since it is smaller than the sum of its proper divisors (146761698727540).

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

121102003323020 is a wasteful number, since it uses less digits than its factorization.

121102003323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195877182 (or 195877180 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121102003323020 its reverse (20323300201121), we get a palindrome (141425303524141).

The spelling of 121102003323020 in words is "one hundred twenty-one trillion, one hundred two billion, three million, three hundred twenty-three thousand, twenty".