121033041005 has 4 divisors (see below), whose sum is σ = 145239649212. Its totient is φ = 96826432800.

The previous prime is 121033040963. The next prime is 121033041053. The reversal of 121033041005 is 500140330121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33420592969 + 87612448036 = 182813^2 + 295994^2 .

It is not a de Polignac number, because 121033041005 - 2⁶ = 121033040941 is a prime.

It is a super-2 number, since 2×121033041005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12103304096 + ... + 12103304105.

It is an arithmetic number, because the mean of its divisors is an integer number (36309912303).

Almost surely, 2^121033041005 is an apocalyptic number.

It is an amenable number.

121033041005 is a deficient number, since it is larger than the sum of its proper divisors (24206608207).

121033041005 is an equidigital number, since it uses as much as digits as its factorization.

121033041005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24206608206.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 121033041005 its reverse (500140330121), we get a palindrome (621173371126).

The spelling of 121033041005 in words is "one hundred twenty-one billion, thirty-three million, forty-one thousand, five".