121121102104 has 32 divisors (see below), whose sum is σ = 242053509600. Its totient is φ = 56620684800.

The previous prime is 121121102071. The next prime is 121121102107. The reversal of 121121102104 is 401201121121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121102107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928459 + ... + 2969530.

It is an arithmetic number, because the mean of its divisors is an integer number (7564172175).

Almost surely, 2^121121102104 is an apocalyptic number.

It is an amenable number.

121121102104 is a deficient number, since it is larger than the sum of its proper divisors (120932407496).

121121102104 is a wasteful number, since it uses less digits than its factorization.

121121102104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898163 (or 5898159 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121121102104 its reverse (401201121121), we get a palindrome (522322223225).

The spelling of 121121102104 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred two thousand, one hundred four".