11112021042 has 16 divisors (see below), whose sum is σ = 22740880800. Its totient is φ = 3617867232.

The previous prime is 11112021029. The next prime is 11112021059. The reversal of 11112021042 is 24012021111.

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, 21534667 + ... + 21535182.

It is an arithmetic number, because the mean of its divisors is an integer number (1421305050).

Almost surely, 2^11112021042 is an apocalyptic number.

11112021042 is an abundant number, since it is smaller than the sum of its proper divisors (11628859758).

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

11112021042 is a wasteful number, since it uses less digits than its factorization.

11112021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43069897.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11112021042 its reverse (24012021111), we get a palindrome (35124042153).

The spelling of 11112021042 in words is "eleven billion, one hundred twelve million, twenty-one thousand, forty-two".