121031302112231 has 24 divisors (see below), whose sum is σ = 150960373254720. Its totient is φ = 96402764570112.

The previous prime is 121031302112213. The next prime is 121031302112251. The reversal of 121031302112231 is 132211203130121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-121031302112231 is a prime.

It is a super-2 number, since 2×121031302112231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121031302112197 and 121031302112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031302112251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919527110 + ... + 919658723.

It is an arithmetic number, because the mean of its divisors is an integer number (6290015552280).

Almost surely, 2^{121031302112231} is an apocalyptic number.

121031302112231 is a deficient number, since it is larger than the sum of its proper divisors (29929071142489).

121031302112231 is a wasteful number, since it uses less digits than its factorization.

121031302112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839185943 (or 1839185936 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121031302112231 its reverse (132211203130121), we get a palindrome (253242505242352).

The spelling of 121031302112231 in words is "one hundred twenty-one trillion, thirty-one billion, three hundred two million, one hundred twelve thousand, two hundred thirty-one".