121110121023 has 8 divisors (see below), whose sum is σ = 161510125488. Its totient is φ = 80725098624.

The previous prime is 121110120997. The next prime is 121110121057. The reversal of 121110121023 is 320121011121.

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

It is not a de Polignac number, because 121110121023 - 2¹⁸ = 121109858879 is a prime.

It is a super-2 number, since 2×121110121023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121110120993 and 121110121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110123023) 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, 3726640 + ... + 3758997.

It is an arithmetic number, because the mean of its divisors is an integer number (20188765686).

Almost surely, 2^121110121023 is an apocalyptic number.

121110121023 is a deficient number, since it is larger than the sum of its proper divisors (40400004465).

121110121023 is an equidigital number, since it uses as much as digits as its factorization.

121110121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491033.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121110121023 its reverse (320121011121), we get a palindrome (441231132144).

The spelling of 121110121023 in words is "one hundred twenty-one billion, one hundred ten million, one hundred twenty-one thousand, twenty-three".