121023303301231 has 4 divisors (see below), whose sum is σ = 121057481023864. Its totient is φ = 120989125578600.

The previous prime is 121023303301193. The next prime is 121023303301247. The reversal of 121023303301231 is 132103303320121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121023303301231 is a prime.

It is a super-2 number, since 2×121023303301231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121023303301196 and 121023303301205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023303308231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17088856005 + ... + 17088863086.

It is an arithmetic number, because the mean of its divisors is an integer number (30264370255966).

Almost surely, 2^{121023303301231} is an apocalyptic number.

121023303301231 is a deficient number, since it is larger than the sum of its proper divisors (34177722633).

121023303301231 is an equidigital number, since it uses as much as digits as its factorization.

121023303301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34177722632.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121023303301231 its reverse (132103303320121), we get a palindrome (253126606621352).

The spelling of 121023303301231 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred three million, three hundred one thousand, two hundred thirty-one".