22101222021002 has 16 divisors (see below), whose sum is σ = 33278337250560. Its totient is φ = 11008450995312.

The previous prime is 22101222021001. The next prime is 22101222021023. The reversal of 22101222021002 is 20012022210122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22101222021001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490763 + ... + 7509185.

It is an arithmetic number, because the mean of its divisors is an integer number (2079896078160).

Almost surely, 2^{22101222021002} is an apocalyptic number.

22101222021002 is a deficient number, since it is larger than the sum of its proper divisors (11177115229558).

22101222021002 is a wasteful number, since it uses less digits than its factorization.

22101222021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028917.

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

Adding to 22101222021002 its reverse (20012022210122), we get a palindrome (42113244231124).

The spelling of 22101222021002 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-two million, twenty-one thousand, two".