22112001002 has 64 divisors (see below), whose sum is σ = 41599837440. Its totient is φ = 8581579776.

The previous prime is 22112001001. The next prime is 22112001053. The reversal of 22112001002 is 20010021122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22112001001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5979218 + ... + 5982914.

It is an arithmetic number, because the mean of its divisors is an integer number (649997460).

Almost surely, 2^22112001002 is an apocalyptic number.

22112001002 is a deficient number, since it is larger than the sum of its proper divisors (19487836438).

22112001002 is a wasteful number, since it uses less digits than its factorization.

22112001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22112001002 its reverse (20010021122), we get a palindrome (42122022124).

The spelling of 22112001002 in words is "twenty-two billion, one hundred twelve million, one thousand, two".