11221042402 has 8 divisors (see below), whose sum is σ = 16832613456. Its totient is φ = 5610171252.

The previous prime is 11221042373. The next prime is 11221042433. The reversal of 11221042402 is 20424012211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11221042402.

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, 132868 + ... + 200239.

It is an arithmetic number, because the mean of its divisors is an integer number (2104076682).

Almost surely, 2^11221042402 is an apocalyptic number.

11221042402 is a deficient number, since it is larger than the sum of its proper divisors (5611571054).

11221042402 is a wasteful number, since it uses less digits than its factorization.

11221042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349952.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11221042402 its reverse (20424012211), we get a palindrome (31645054613).

The spelling of 11221042402 in words is "eleven billion, two hundred twenty-one million, forty-two thousand, four hundred two".