121333210103 has 32 divisors (see below), whose sum is σ = 148060763136. Its totient is φ = 97180731648.

The previous prime is 121333210081. The next prime is 121333210109. The reversal of 121333210103 is 301012333121.

It is not a de Polignac number, because 121333210103 - 2³⁴ = 104153340919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333210109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1957676 + ... + 2018702.

It is an arithmetic number, because the mean of its divisors is an integer number (4626898848).

Almost surely, 2^121333210103 is an apocalyptic number.

121333210103 is a deficient number, since it is larger than the sum of its proper divisors (26727553033).

121333210103 is a wasteful number, since it uses less digits than its factorization.

121333210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61343.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121333210103 its reverse (301012333121), we get a palindrome (422345543224).

The spelling of 121333210103 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred ten thousand, one hundred three".