121003001101123 has 4 divisors (see below), whose sum is σ = 121727569970160. Its totient is φ = 120278432232088.

The previous prime is 121003001101093. The next prime is 121003001101127. The reversal of 121003001101123 is 321101100300121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121003001101123 is a prime.

It is a super-2 number, since 2×121003001101123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121003001101097 and 121003001101106.

It is not an unprimeable number, because it can be changed into a prime (121003001101127) 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, 362284434268 + ... + 362284434601.

It is an arithmetic number, because the mean of its divisors is an integer number (30431892492540).

Almost surely, 2^{121003001101123} is an apocalyptic number.

121003001101123 is a deficient number, since it is larger than the sum of its proper divisors (724568869037).

121003001101123 is an equidigital number, since it uses as much as digits as its factorization.

121003001101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724568869036.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121003001101123 its reverse (321101100300121), we get a palindrome (442104101401244).

The spelling of 121003001101123 in words is "one hundred twenty-one trillion, three billion, one million, one hundred one thousand, one hundred twenty-three".