1121433143042 has 16 divisors (see below), whose sum is σ = 1727653817472. Its totient is φ = 545549249520.

The previous prime is 1121433143029. The next prime is 1121433143053. The reversal of 1121433143042 is 2403413341211.

It is a super-2 number, since 2×1121433143042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121433142996 and 1121433143014.

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, 3503063 + ... + 3809765.

It is an arithmetic number, because the mean of its divisors is an integer number (107978363592).

Almost surely, 2^{1121433143042} is an apocalyptic number.

1121433143042 is a deficient number, since it is larger than the sum of its proper divisors (606220674430).

1121433143042 is a wasteful number, since it uses less digits than its factorization.

1121433143042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356153.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1121433143042 its reverse (2403413341211), we get a palindrome (3524846484253).

The spelling of 1121433143042 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-three million, one hundred forty-three thousand, forty-two".