121003121331993 has 8 divisors (see below), whose sum is σ = 164381598790848. Its totient is φ = 79146695713904.

The previous prime is 121003121331977. The next prime is 121003121332007. The reversal of 121003121331993 is 399133121300121.

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 121003121331993 - 2⁴ = 121003121331977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121003121331943) 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, 380512960005 + ... + 380512960322.

It is an arithmetic number, because the mean of its divisors is an integer number (20547699848856).

Almost surely, 2^{121003121331993} is an apocalyptic number.

It is an amenable number.

121003121331993 is a deficient number, since it is larger than the sum of its proper divisors (43378477458855).

121003121331993 is an equidigital number, since it uses as much as digits as its factorization.

121003121331993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761025920383.

The product of its (nonzero) digits is 26244, while the sum is 39.

The spelling of 121003121331993 in words is "one hundred twenty-one trillion, three billion, one hundred twenty-one million, three hundred thirty-one thousand, nine hundred ninety-three".