22211121002002 has 16 divisors (see below), whose sum is σ = 33718282278912. Its totient is φ = 10971695123280.

The previous prime is 22211121001981. The next prime is 22211121002009. The reversal of 22211121002002 is 20020012111222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22211121002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43059823 + ... + 43572589.

It is an arithmetic number, because the mean of its divisors is an integer number (2107392642432).

Almost surely, 2^{22211121002002} is an apocalyptic number.

22211121002002 is a deficient number, since it is larger than the sum of its proper divisors (11507161276910).

22211121002002 is a wasteful number, since it uses less digits than its factorization.

22211121002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773793.

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

Adding to 22211121002002 its reverse (20020012111222), we get a palindrome (42231133113224).

The spelling of 22211121002002 in words is "twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, two thousand, two".