1223121110104 has 8 divisors (see below), whose sum is σ = 2293352081460. Its totient is φ = 611560555048.

The previous prime is 1223121110093. The next prime is 1223121110117. The reversal of 1223121110104 is 4010111213221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76445069374 + ... + 76445069389.

Almost surely, 2^{1223121110104} is an apocalyptic number.

It is an amenable number.

1223121110104 is a deficient number, since it is larger than the sum of its proper divisors (1070230971356).

1223121110104 is a wasteful number, since it uses less digits than its factorization.

1223121110104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152890138769 (or 152890138765 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1223121110104 its reverse (4010111213221), we get a palindrome (5233232323325).

The spelling of 1223121110104 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-one million, one hundred ten thousand, one hundred four".