1121010112442 has 8 divisors (see below), whose sum is σ = 1834380184032. Its totient is φ = 509550051100.

The previous prime is 1121010112361. The next prime is 1121010112463. The reversal of 1121010112442 is 2442110101211.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 25477502534 + ... + 25477502577.

It is an arithmetic number, because the mean of its divisors is an integer number (229297523004).

Almost surely, 2^{1121010112442} is an apocalyptic number.

1121010112442 is a deficient number, since it is larger than the sum of its proper divisors (713370071590).

1121010112442 is a wasteful number, since it uses less digits than its factorization.

1121010112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50955005124.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1121010112442 its reverse (2442110101211), we get a palindrome (3563120213653).

The spelling of 1121010112442 in words is "one trillion, one hundred twenty-one billion, ten million, one hundred twelve thousand, four hundred forty-two".