22101002122222 has 16 divisors (see below), whose sum is σ = 35101804483872. Its totient is φ = 10400408512000.

The previous prime is 22101002122219. The next prime is 22101002122259. The reversal of 22101002122222 is 22222120010122.

It is a super-2 number, since 2×22101002122222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22101002122222.

It is a congruent number.

It is an unprimeable number.

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, 3977847 + ... + 7747597.

It is an arithmetic number, because the mean of its divisors is an integer number (2193862780242).

Almost surely, 2^{22101002122222} is an apocalyptic number.

22101002122222 is a deficient number, since it is larger than the sum of its proper divisors (13000802361650).

22101002122222 is a wasteful number, since it uses less digits than its factorization.

22101002122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942203.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22101002122222 its reverse (22222120010122), we get a palindrome (44323122132344).

The spelling of 22101002122222 in words is "twenty-two trillion, one hundred one billion, two million, one hundred twenty-two thousand, two hundred twenty-two".