1122145113442 has 16 divisors (see below), whose sum is σ = 1694579211000. Its totient is φ = 557285664640.

The previous prime is 1122145113389. The next prime is 1122145113449. The reversal of 1122145113442 is 2443115412211.

It can be written as a sum of positive squares in 4 ways, for example, as 592162569441 + 529982544001 = 769521^2 + 727999^2 .

It is not an unprimeable number, because it can be changed into a prime (1122145113449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10184784 + ... + 10294372.

Almost surely, 2^{1122145113442} is an apocalyptic number.

1122145113442 is a deficient number, since it is larger than the sum of its proper divisors (572434097558).

1122145113442 is a wasteful number, since it uses less digits than its factorization.

1122145113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144101.

The product of its digits is 7680, while the sum is 31.

The spelling of 1122145113442 in words is "one trillion, one hundred twenty-two billion, one hundred forty-five million, one hundred thirteen thousand, four hundred forty-two".