22212120001004 has 24 divisors (see below), whose sum is σ = 38895122851200. Its totient is φ = 11099228353920.

The previous prime is 22212120001003. The next prime is 22212120001063. The reversal of 22212120001004 is 40010002121222.

It is a super-2 number, since 2×22212120001004² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22212120001003) 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, 183163862 + ... + 183285090.

It is an arithmetic number, because the mean of its divisors is an integer number (1620630118800).

Almost surely, 2^{22212120001004} is an apocalyptic number.

It is an amenable number.

22212120001004 is a deficient number, since it is larger than the sum of its proper divisors (16683002850196).

22212120001004 is a wasteful number, since it uses less digits than its factorization.

22212120001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149033 (or 149031 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22212120001004 its reverse (40010002121222), we get a palindrome (62222122122226).

The spelling of 22212120001004 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty million, one thousand, four".