121303303321030 has 16 divisors (see below), whose sum is σ = 218370339608544. Its totient is φ = 48515900521600.

The previous prime is 121303303321003. The next prime is 121303303321043. The reversal of 121303303321030 is 30123303303121.

It is a junction number, because it is equal to n+sod(n) for n = 121303303320986 and 121303303321004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677506867 + ... + 677685886.

It is an arithmetic number, because the mean of its divisors is an integer number (13648146225534).

Almost surely, 2^{121303303321030} is an apocalyptic number.

121303303321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303303321030 is a deficient number, since it is larger than the sum of its proper divisors (97067036287514).

121303303321030 is a wasteful number, since it uses less digits than its factorization.

121303303321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355201711.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 121303303321030 its reverse (30123303303121), we get a palindrome (151426606624151).

The spelling of 121303303321030 in words is "one hundred twenty-one trillion, three hundred three billion, three hundred three million, three hundred twenty-one thousand, thirty".