121004224403403 has 16 divisors (see below), whose sum is σ = 176407069766400. Its totient is φ = 73168841419680.

The previous prime is 121004224403393. The next prime is 121004224403441. The reversal of 121004224403403 is 304304422400121.

It is not a de Polignac number, because 121004224403403 - 2⁶ = 121004224403339 is a prime.

It is a super-2 number, since 2×121004224403403² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121004224403003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4176289248 + ... + 4176318221.

It is an arithmetic number, because the mean of its divisors is an integer number (11025441860400).

Almost surely, 2^{121004224403403} is an apocalyptic number.

121004224403403 is a deficient number, since it is larger than the sum of its proper divisors (55402845362997).

121004224403403 is a wasteful number, since it uses less digits than its factorization.

121004224403403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352607922.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 121004224403403 its reverse (304304422400121), we get a palindrome (425308646803524).

The spelling of 121004224403403 in words is "one hundred twenty-one trillion, four billion, two hundred twenty-four million, four hundred three thousand, four hundred three".