121303321310 has 16 divisors (see below), whose sum is σ = 222991638336. Its totient is φ = 47488959648.

The previous prime is 121303321301. The next prime is 121303321319. The reversal of 121303321310 is 13123303121.

121303321310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121303321301) and next prime (121303321319).

It is a super-2 number, since 2×121303321310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303321319) 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 7 ways as a sum of consecutive naturals, for example, 129045617 + ... + 129046556.

It is an arithmetic number, because the mean of its divisors is an integer number (13936977396).

Almost surely, 2^121303321310 is an apocalyptic number.

121303321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303321310 is a deficient number, since it is larger than the sum of its proper divisors (101688317026).

121303321310 is a wasteful number, since it uses less digits than its factorization.

121303321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258092227.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121303321310 its reverse (13123303121), we get a palindrome (134426624431).

The spelling of 121303321310 in words is "one hundred twenty-one billion, three hundred three million, three hundred twenty-one thousand, three hundred ten".