22010121002222 has 16 divisors (see below), whose sum is σ = 33036586852032. Its totient is φ = 10997925775200.

The previous prime is 22010121002209. The next prime is 22010121002293. The reversal of 22010121002222 is 22220012101022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22010121002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149454728 + ... + 149601924.

It is an arithmetic number, because the mean of its divisors is an integer number (2064786678252).

Almost surely, 2^{22010121002222} is an apocalyptic number.

22010121002222 is a deficient number, since it is larger than the sum of its proper divisors (11026465849810).

22010121002222 is a wasteful number, since it uses less digits than its factorization.

22010121002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195163.

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

Adding to 22010121002222 its reverse (22220012101022), we get a palindrome (44230133103244).

The spelling of 22010121002222 in words is "twenty-two trillion, ten billion, one hundred twenty-one million, two thousand, two hundred twenty-two".