121105320100504 has 64 divisors (see below), whose sum is σ = 239914862668800. Its totient is φ = 57151867641984.

The previous prime is 121105320100487. The next prime is 121105320100507. The reversal of 121105320100504 is 405001023501121.

It is a super-2 number, since 2×121105320100504² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121105320100507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223283289 + ... + 223825015.

It is an arithmetic number, because the mean of its divisors is an integer number (3748669729200).

Almost surely, 2^{121105320100504} is an apocalyptic number.

It is an amenable number.

121105320100504 is a deficient number, since it is larger than the sum of its proper divisors (118809542568296).

121105320100504 is a wasteful number, since it uses less digits than its factorization.

121105320100504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547232 (or 547228 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 121105320100504 its reverse (405001023501121), we get a palindrome (526106343601625).

The spelling of 121105320100504 in words is "one hundred twenty-one trillion, one hundred five billion, three hundred twenty million, one hundred thousand, five hundred four".