22100021031222 has 12 divisors (see below), whose sum is σ = 47883378901020. Its totient is φ = 7366673677068.

The previous prime is 22100021031203. The next prime is 22100021031229. The reversal of 22100021031222 is 22213012000122.

22100021031222 is a `hidden beast` number, since 22 + 100 + 0 + 210 + 312 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1227778946179 = 22100021031222 / (2 + 2 + 1 + 0 + 0 + 0 + 2 + 1 + 0 + 3 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22100021031195 and 22100021031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100021031229) 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 5 ways as a sum of consecutive naturals, for example, 613889473072 + ... + 613889473107.

It is an arithmetic number, because the mean of its divisors is an integer number (3990281575085).

Almost surely, 2^{22100021031222} is an apocalyptic number.

22100021031222 is an abundant number, since it is smaller than the sum of its proper divisors (25783357869798).

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

22100021031222 is a wasteful number, since it uses less digits than its factorization.

22100021031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227778946187 (or 1227778946184 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22100021031222 its reverse (22213012000122), we get a palindrome (44313033031344).

The spelling of 22100021031222 in words is "twenty-two trillion, one hundred billion, twenty-one million, thirty-one thousand, two hundred twenty-two".