121113132303 has 64 divisors (see below), whose sum is σ = 176701824000. Its totient is φ = 73554302976.

The previous prime is 121113132289. The next prime is 121113132311. The reversal of 121113132303 is 303231311121.

It is a happy number.

It is not a de Polignac number, because 121113132303 - 2¹⁸ = 121112870159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121113132303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113132103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51778708 + ... + 51781046.

It is an arithmetic number, because the mean of its divisors is an integer number (2760966000).

Almost surely, 2^121113132303 is an apocalyptic number.

121113132303 is a deficient number, since it is larger than the sum of its proper divisors (55588691697).

121113132303 is a wasteful number, since it uses less digits than its factorization.

121113132303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121113132303 its reverse (303231311121), we get a palindrome (424344443424).

The spelling of 121113132303 in words is "one hundred twenty-one billion, one hundred thirteen million, one hundred thirty-two thousand, three hundred three".