121301131023 has 6 divisors (see below), whose sum is σ = 175212744824. Its totient is φ = 80867420676.

The previous prime is 121301131019. The next prime is 121301131051. The reversal of 121301131023 is 320131103121.

It is not a de Polignac number, because 121301131023 - 2² = 121301131019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121301130987 and 121301131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301131013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6738951715 + ... + 6738951732.

Almost surely, 2^121301131023 is an apocalyptic number.

121301131023 is a deficient number, since it is larger than the sum of its proper divisors (53911613801).

121301131023 is a wasteful number, since it uses less digits than its factorization.

121301131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477903453 (or 13477903450 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121301131023 its reverse (320131103121), we get a palindrome (441432234144).

The spelling of 121301131023 in words is "one hundred twenty-one billion, three hundred one million, one hundred thirty-one thousand, twenty-three".