11220421442 has 8 divisors (see below), whose sum is σ = 16918751232. Its totient is φ = 5580837700.

The previous prime is 11220421441. The next prime is 11220421543. The reversal of 11220421442 is 24412402211.

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

It is not an unprimeable number, because it can be changed into a prime (11220421441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14686034 + ... + 14686797.

It is an arithmetic number, because the mean of its divisors is an integer number (2114843904).

Almost surely, 2^11220421442 is an apocalyptic number.

11220421442 is a deficient number, since it is larger than the sum of its proper divisors (5698329790).

11220421442 is a wasteful number, since it uses less digits than its factorization.

11220421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29373024.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11220421442 its reverse (24412402211), we get a palindrome (35632823653).

The spelling of 11220421442 in words is "eleven billion, two hundred twenty million, four hundred twenty-one thousand, four hundred forty-two".