11432221042 has 8 divisors (see below), whose sum is σ = 18707270832. Its totient is φ = 5196464100.

The previous prime is 11432221037. The next prime is 11432221069. The reversal of 11432221042 is 24012223411.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 519646411 = 11432221042 / (1 + 1 + 4 + 3 + 2 + 2 + 2 + 1 + 0 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259823184 + ... + 259823227.

It is an arithmetic number, because the mean of its divisors is an integer number (2338408854).

Almost surely, 2^11432221042 is an apocalyptic number.

11432221042 is a deficient number, since it is larger than the sum of its proper divisors (7275049790).

11432221042 is a wasteful number, since it uses less digits than its factorization.

11432221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519646424.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11432221042 its reverse (24012223411), we get a palindrome (35444444453).

The spelling of 11432221042 in words is "eleven billion, four hundred thirty-two million, two hundred twenty-one thousand, forty-two".