11021421222042 has 96 divisors (see below), whose sum is σ = 27844878297600. Its totient is φ = 2846713800480.

The previous prime is 11021421222041. The next prime is 11021421222061. The reversal of 11021421222042 is 24022212412011.

It is not an unprimeable number, because it can be changed into a prime (11021421222041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5148192 + ... + 6967547.

It is an arithmetic number, because the mean of its divisors is an integer number (290050815600).

Almost surely, 2^{11021421222042} is an apocalyptic number.

11021421222042 is an abundant number, since it is smaller than the sum of its proper divisors (16823457075558).

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

11021421222042 is a wasteful number, since it uses less digits than its factorization.

11021421222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12115952 (or 12115941 counting only the distinct ones).

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

Adding to 11021421222042 its reverse (24022212412011), we get a palindrome (35043633634053).

The spelling of 11021421222042 in words is "eleven trillion, twenty-one billion, four hundred twenty-one million, two hundred twenty-two thousand, forty-two".