121121013023 has 8 divisors (see below), whose sum is σ = 126406065888. Its totient is φ = 115837537024.

The previous prime is 121121013011. The next prime is 121121013037. The reversal of 121121013023 is 320310121121.

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 121121013023 - 2⁸ = 121121012767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121121012992 and 121121013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121019023) 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, 235886 + ... + 545787.

It is an arithmetic number, because the mean of its divisors is an integer number (15800758236).

Almost surely, 2^121121013023 is an apocalyptic number.

121121013023 is a deficient number, since it is larger than the sum of its proper divisors (5285052865).

121121013023 is an equidigital number, since it uses as much as digits as its factorization.

121121013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788433.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121121013023 its reverse (320310121121), we get a palindrome (441431134144).

The spelling of 121121013023 in words is "one hundred twenty-one billion, one hundred twenty-one million, thirteen thousand, twenty-three".