121002210011320 has 64 divisors (see below), whose sum is σ = 297588932834400. Its totient is φ = 43914357972480.

The previous prime is 121002210011233. The next prime is 121002210011329. The reversal of 121002210011320 is 23110012200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002210011294 and 121002210011303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002210011329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269918499 + ... + 270366418.

Almost surely, 2^{121002210011320} is an apocalyptic number.

121002210011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002210011320 is an abundant number, since it is smaller than the sum of its proper divisors (176586722823080).

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

121002210011320 is a wasteful number, since it uses less digits than its factorization.

121002210011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540285448 (or 540285444 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121002210011320 its reverse (23110012200121), we get a palindrome (144112222211441).

The spelling of 121002210011320 in words is "one hundred twenty-one trillion, two billion, two hundred ten million, eleven thousand, three hundred twenty".