1011043111442 has 64 divisors (see below), whose sum is σ = 1880683768320. Its totient is φ = 399313167552.

The previous prime is 1011043111259. The next prime is 1011043111453. The reversal of 1011043111442 is 2441113401101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18827843 + ... + 18881465.

It is an arithmetic number, because the mean of its divisors is an integer number (29385683880).

Almost surely, 2^{1011043111442} is an apocalyptic number.

1011043111442 is a deficient number, since it is larger than the sum of its proper divisors (869640656878).

1011043111442 is an equidigital number, since it uses as much as digits as its factorization.

1011043111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54284 (or 54258 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1011043111442 its reverse (2441113401101), we get a palindrome (3452156512543).

The spelling of 1011043111442 in words is "one trillion, eleven billion, forty-three million, one hundred eleven thousand, four hundred forty-two".