22212120002 has 16 divisors (see below), whose sum is σ = 33626202624. Its totient is φ = 11003850000.

The previous prime is 22212120001. The next prime is 22212120037. The reversal of 22212120002 is 20002121222.

It is not an unprimeable number, because it can be changed into a prime (22212120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19949 + ... + 211712.

It is an arithmetic number, because the mean of its divisors is an integer number (2101637664).

Almost surely, 2^22212120002 is an apocalyptic number.

22212120002 is a deficient number, since it is larger than the sum of its proper divisors (11414082622).

22212120002 is a wasteful number, since it uses less digits than its factorization.

22212120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232105.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22212120002 its reverse (20002121222), we get a palindrome (42214241224).

The spelling of 22212120002 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, two".