22112112202000 has 120 divisors (see below), whose sum is σ = 55247473785816. Its totient is φ = 8559526560000.

The previous prime is 22112112201997. The next prime is 22112112202127. The reversal of 22112112202000 is 20221121122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3721976064 + 22108390225936 = 61008^2 + 4701956^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3830371 + ... + 7674370.

Almost surely, 2^{22112112202000} is an apocalyptic number.

22112112202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112112202000 is an abundant number, since it is smaller than the sum of its proper divisors (33135361583816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22112112202000 is a wasteful number, since it uses less digits than its factorization.

22112112202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504826 (or 11504779 counting only the distinct ones).

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

Adding to 22112112202000 its reverse (20221121122), we get a palindrome (22132333323122).

The spelling of 22112112202000 in words is "twenty-two trillion, one hundred twelve billion, one hundred twelve million, two hundred two thousand".