12121110103001 has 4 divisors (see below), whose sum is σ = 12648114890112. Its totient is φ = 11594105315892.

The previous prime is 12121110102961. The next prime is 12121110103049. The reversal of 12121110103001 is 10030101112121.

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 a de Polignac number, because none of the positive numbers 2^k-12121110103001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121110103601) 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, 263502393521 + ... + 263502393566.

It is an arithmetic number, because the mean of its divisors is an integer number (3162028722528).

Almost surely, 2^{12121110103001} is an apocalyptic number.

It is an amenable number.

12121110103001 is a deficient number, since it is larger than the sum of its proper divisors (527004787111).

12121110103001 is an equidigital number, since it uses as much as digits as its factorization.

12121110103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527004787110.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12121110103001 its reverse (10030101112121), we get a palindrome (22151211215122).

The spelling of 12121110103001 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, one hundred three thousand, one".