1121003121444 has 12 divisors (see below), whose sum is σ = 2615673950064. Its totient is φ = 373667707144.

The previous prime is 1121003121437. The next prime is 1121003121451. The reversal of 1121003121444 is 4441213001211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121003121437) and next prime (1121003121451).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46708463382 + ... + 46708463405.

It is an arithmetic number, because the mean of its divisors is an integer number (217972829172).

Almost surely, 2^{1121003121444} is an apocalyptic number.

It is an amenable number.

1121003121444 is an abundant number, since it is smaller than the sum of its proper divisors (1494670828620).

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

1121003121444 is a wasteful number, since it uses less digits than its factorization.

1121003121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93416926794 (or 93416926792 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1121003121444 its reverse (4441213001211), we get a palindrome (5562216122655).

The spelling of 1121003121444 in words is "one trillion, one hundred twenty-one billion, three million, one hundred twenty-one thousand, four hundred forty-four".