22220111012002 has 8 divisors (see below), whose sum is σ = 34143097408812. Its totient is φ = 10839078542400.

The previous prime is 22220111011997. The next prime is 22220111012023. The reversal of 22220111012002 is 20021011102222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22035785904441 + 184325107561 = 4694229^2 + 429331^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135488481699 + ... + 135488481862.

Almost surely, 2^{22220111012002} is an apocalyptic number.

22220111012002 is a deficient number, since it is larger than the sum of its proper divisors (11922986396810).

22220111012002 is a wasteful number, since it uses less digits than its factorization.

22220111012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270976963604.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22220111012002 its reverse (20021011102222), we get a palindrome (42241122114224).

The spelling of 22220111012002 in words is "twenty-two trillion, two hundred twenty billion, one hundred eleven million, twelve thousand, two".