121142004102005 has 8 divisors (see below), whose sum is σ = 145884081266592. Its totient is φ = 96571152385488.

The previous prime is 121142004101983. The next prime is 121142004102017. The reversal of 121142004102005 is 500201400241121.

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 121142004102005 - 2⁶ = 121142004101941 is a prime.

It is a super-3 number, since 3×121142004102005³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42806360459 + ... + 42806363288.

It is an arithmetic number, because the mean of its divisors is an integer number (18235510158324).

Almost surely, 2^{121142004102005} is an apocalyptic number.

It is an amenable number.

121142004102005 is a deficient number, since it is larger than the sum of its proper divisors (24742077164587).

121142004102005 is an equidigital number, since it uses as much as digits as its factorization.

121142004102005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85612724035.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 121142004102005 its reverse (500201400241121), we get a palindrome (621343404343126).

The spelling of 121142004102005 in words is "one hundred twenty-one trillion, one hundred forty-two billion, four million, one hundred two thousand, five".