1121102103204 has 72 divisors (see below), whose sum is σ = 2882435844288. Its totient is φ = 367324182720.

The previous prime is 1121102103203. The next prime is 1121102103221. The reversal of 1121102103204 is 4023012011211.

1121102103204 is a `hidden beast` number, since 1 + 121 + 10 + 210 + 320 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1121102103203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607809 + ... + 1616055.

Almost surely, 2^{1121102103204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121102103204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441217922144).

1121102103204 is an abundant number, since it is smaller than the sum of its proper divisors (1761333741084).

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

1121102103204 is a wasteful number, since it uses less digits than its factorization.

1121102103204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008785 (or 1008780 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121102103204 its reverse (4023012011211), we get a palindrome (5144114114415).

The spelling of 1121102103204 in words is "one trillion, one hundred twenty-one billion, one hundred two million, one hundred three thousand, two hundred four".