121031231030303 has 16 divisors (see below), whose sum is σ = 132551325413280. Its totient is φ = 109597625894400.

The previous prime is 121031231030299. The next prime is 121031231030317. The reversal of 121031231030303 is 303030132130121.

It is a cyclic number.

It is not a de Polignac number, because 121031231030303 - 2² = 121031231030299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031231060303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645883 + ... + 15645171.

It is an arithmetic number, because the mean of its divisors is an integer number (8284457838330).

Almost surely, 2^{121031231030303} is an apocalyptic number.

121031231030303 is a deficient number, since it is larger than the sum of its proper divisors (11520094382977).

121031231030303 is a wasteful number, since it uses less digits than its factorization.

121031231030303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14002378.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121031231030303 its reverse (303030132130121), we get a palindrome (424061363160424).

The spelling of 121031231030303 in words is "one hundred twenty-one trillion, thirty-one billion, two hundred thirty-one million, thirty thousand, three hundred three".