121244001104 has 20 divisors (see below), whose sum is σ = 247273950240. Its totient is φ = 57431368800.

The previous prime is 121244001091. The next prime is 121244001127. The reversal of 121244001104 is 401100442121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199414172 + ... + 199414779.

It is an arithmetic number, because the mean of its divisors is an integer number (12363697512).

Almost surely, 2^121244001104 is an apocalyptic number.

It is an amenable number.

121244001104 is an abundant number, since it is smaller than the sum of its proper divisors (126029949136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121244001104 is a wasteful number, since it uses less digits than its factorization.

121244001104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398828978 (or 398828972 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121244001104 its reverse (401100442121), we get a palindrome (522344443225).

The spelling of 121244001104 in words is "one hundred twenty-one billion, two hundred forty-four million, one thousand, one hundred four".