11112420002 has 4 divisors (see below), whose sum is σ = 16668630006. Its totient is φ = 5556210000.

The previous prime is 11112419977. The next prime is 11112420017. The reversal of 11112420002 is 20002421111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9061326481 + 2051093521 = 95191^2 + 45289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778104999 + ... + 2778105002.

Almost surely, 2^11112420002 is an apocalyptic number.

11112420002 is a deficient number, since it is larger than the sum of its proper divisors (5556210004).

11112420002 is an equidigital number, since it uses as much as digits as its factorization.

11112420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556210003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11112420002 its reverse (20002421111), we get a palindrome (31114841113).

The spelling of 11112420002 in words is "eleven billion, one hundred twelve million, four hundred twenty thousand, two".