1121223344442 has 16 divisors (see below), whose sum is σ = 2314783679232. Its totient is φ = 361684949760.

The previous prime is 1121223344393. The next prime is 1121223344471. The reversal of 1121223344442 is 2444433221211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014041063 + ... + 3014041434.

It is an arithmetic number, because the mean of its divisors is an integer number (144673979952).

Almost surely, 2^{1121223344442} is an apocalyptic number.

1121223344442 is an abundant number, since it is smaller than the sum of its proper divisors (1193560334790).

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

1121223344442 is a wasteful number, since it uses less digits than its factorization.

1121223344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028082533.

The product of its digits is 36864, while the sum is 33.

Adding to 1121223344442 its reverse (2444433221211), we get a palindrome (3565656565653).

The spelling of 1121223344442 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred forty-four thousand, four hundred forty-two".