121142055524401 has 4 divisors (see below), whose sum is σ = 127517953183600. Its totient is φ = 114766157865204.

The previous prime is 121142055524359. The next prime is 121142055524407. The reversal of 121142055524401 is 104425550241121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121142055524401 - 2¹⁷ = 121142055393329 is a prime.

It is a super-3 number, since 3×121142055524401³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121142055524407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3187948829571 + ... + 3187948829608.

It is an arithmetic number, because the mean of its divisors is an integer number (31879488295900).

Almost surely, 2^{121142055524401} is an apocalyptic number.

It is an amenable number.

121142055524401 is a deficient number, since it is larger than the sum of its proper divisors (6375897659199).

121142055524401 is an equidigital number, since it uses as much as digits as its factorization.

121142055524401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375897659198.

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 121142055524401 in words is "one hundred twenty-one trillion, one hundred forty-two billion, fifty-five million, five hundred twenty-four thousand, four hundred one".