121011023 has 8 divisors (see below), whose sum is σ = 138366240. Its totient is φ = 103672800.

The previous prime is 121011017. The next prime is 121011043. The reversal of 121011023 is 320110121.

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

It is not a de Polignac number, because 121011023 - 2⁶ = 121010959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121010995 and 121011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011013) 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, 21173 + ... + 26273.

It is an arithmetic number, because the mean of its divisors is an integer number (17295780).

Almost surely, 2^121011023 is an apocalyptic number.

121011023 is a deficient number, since it is larger than the sum of its proper divisors (17355217).

121011023 is an equidigital number, since it uses as much as digits as its factorization.

121011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121011023 is about 11000.5010340439. The cubic root of 121011023 is about 494.6237633514.

Adding to 121011023 its reverse (320110121), we get a palindrome (441121144).

The spelling of 121011023 in words is "one hundred twenty-one million, eleven thousand, twenty-three".