121230231011031 has 8 divisors (see below), whose sum is σ = 161640432226800. Its totient is φ = 80820091901312.

The previous prime is 121230231011011. The next prime is 121230231011051. The reversal of 121230231011031 is 130110132032121.

It is an interprime number because it is at equal distance from previous prime (121230231011011) and next prime (121230231011051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121230231011031 - 2¹⁷ = 121230230879959 is a prime.

It is a super-2 number, since 2×121230231011031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121230231010989 and 121230231011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230231011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10763106 + ... + 18928943.

It is an arithmetic number, because the mean of its divisors is an integer number (20205054028350).

Almost surely, 2^{121230231011031} is an apocalyptic number.

121230231011031 is a deficient number, since it is larger than the sum of its proper divisors (40410201215769).

121230231011031 is a wasteful number, since it uses less digits than its factorization.

121230231011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31053025.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121230231011031 its reverse (130110132032121), we get a palindrome (251340363043152).

The spelling of 121230231011031 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred thirty-one million, eleven thousand, thirty-one".