11042421021042 has 16 divisors (see below), whose sum is σ = 22183877210880. Its totient is φ = 3664301145552.

The previous prime is 11042421021031. The next prime is 11042421021067. The reversal of 11042421021042 is 24012012424011.

It is a happy number.

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, 4126463917 + ... + 4126466592.

It is an arithmetic number, because the mean of its divisors is an integer number (1386492325680).

Almost surely, 2^{11042421021042} is an apocalyptic number.

11042421021042 is an abundant number, since it is smaller than the sum of its proper divisors (11141456189838).

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

11042421021042 is a wasteful number, since it uses less digits than its factorization.

11042421021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252930737.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11042421021042 its reverse (24012012424011), we get a palindrome (35054433445053).

The spelling of 11042421021042 in words is "eleven trillion, forty-two billion, four hundred twenty-one million, twenty-one thousand, forty-two".