121001333103 has 48 divisors (see below), whose sum is σ = 205067206656. Its totient is φ = 67317857280.

The previous prime is 121001333081. The next prime is 121001333119. The reversal of 121001333103 is 301333100121.

It is a happy number.

It is not a de Polignac number, because 121001333103 - 2⁸ = 121001332847 is a prime.

It is a super-2 number, since 2×121001333103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001333183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458575 + ... + 672527.

It is an arithmetic number, because the mean of its divisors is an integer number (4272233472).

Almost surely, 2^121001333103 is an apocalyptic number.

121001333103 is a deficient number, since it is larger than the sum of its proper divisors (84065873553).

121001333103 is a wasteful number, since it uses less digits than its factorization.

121001333103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214204 (or 214201 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121001333103 its reverse (301333100121), we get a palindrome (422334433224).

The spelling of 121001333103 in words is "one hundred twenty-one billion, one million, three hundred thirty-three thousand, one hundred three".