121003231203031 has 4 divisors (see below), whose sum is σ = 127371822319000. Its totient is φ = 114634640087064.

The previous prime is 121003231202999. The next prime is 121003231203083. The reversal of 121003231203031 is 130302132300121.

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

It is a cyclic number.

It is not a de Polignac number, because 121003231203031 - 2⁵ = 121003231202999 is a prime.

It is a super-2 number, since 2×121003231203031² (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 = 121003231202993 and 121003231203011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003231201031) 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, 3184295557956 + ... + 3184295557993.

It is an arithmetic number, because the mean of its divisors is an integer number (31842955579750).

Almost surely, 2^{121003231203031} is an apocalyptic number.

121003231203031 is a deficient number, since it is larger than the sum of its proper divisors (6368591115969).

121003231203031 is an equidigital number, since it uses as much as digits as its factorization.

121003231203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368591115968.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121003231203031 its reverse (130302132300121), we get a palindrome (251305363503152).

The spelling of 121003231203031 in words is "one hundred twenty-one trillion, three billion, two hundred thirty-one million, two hundred three thousand, thirty-one".