121113331111303 has 2 divisors, whose sum is σ = 121113331111304. Its totient is φ = 121113331111302.

The previous prime is 121113331111211. The next prime is 121113331111327. The reversal of 121113331111303 is 303111133311121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121113331111303 - 2²¹ = 121113329014151 is a prime.

It is a super-2 number, since 2×121113331111303² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121113331151303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556665555651 + 60556665555652.

It is an arithmetic number, because the mean of its divisors is an integer number (60556665555652).

Almost surely, 2^{121113331111303} is an apocalyptic number.

121113331111303 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113331111303 is an equidigital number, since it uses as much as digits as its factorization.

121113331111303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 121113331111303 its reverse (303111133311121), we get a palindrome (424224464422424).

The spelling of 121113331111303 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred thirty-one million, one hundred eleven thousand, three hundred three".