121004411144 has 8 divisors (see below), whose sum is σ = 226883270910. Its totient is φ = 60502205568.

The previous prime is 121004411137. The next prime is 121004411189. The reversal of 121004411144 is 441114400121.

It can be written as a sum of positive squares in only one way, i.e., 120313247044 + 691164100 = 346862^2 + 26290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562775689 + ... + 7562775704.

Almost surely, 2^121004411144 is an apocalyptic number.

It is an amenable number.

121004411144 is a deficient number, since it is larger than the sum of its proper divisors (105878859766).

121004411144 is a wasteful number, since it uses less digits than its factorization.

121004411144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15125551399 (or 15125551395 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121004411144 its reverse (441114400121), we get a palindrome (562118811265).

It can be divided in two parts, 12100 and 4411144, that added together give a palindrome (4423244).

The spelling of 121004411144 in words is "one hundred twenty-one billion, four million, four hundred eleven thousand, one hundred forty-four".