22002100122 has 16 divisors (see below), whose sum is σ = 44006212800. Its totient is φ = 7333697952.

The previous prime is 22002100097. The next prime is 22002100123. The reversal of 22002100122 is 22100120022.

It is a junction number, because it is equal to n+sod(n) for n = 22002100098 and 22002100107.

It is not an unprimeable number, because it can be changed into a prime (22002100123) 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, 84163 + ... + 226025.

It is an arithmetic number, because the mean of its divisors is an integer number (2750388300).

Almost surely, 2^22002100122 is an apocalyptic number.

22002100122 is an abundant number, since it is smaller than the sum of its proper divisors (22004112678).

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

22002100122 is a wasteful number, since it uses less digits than its factorization.

22002100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167717.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22002100122 its reverse (22100120022), we get a palindrome (44102220144).

The spelling of 22002100122 in words is "twenty-two billion, two million, one hundred thousand, one hundred twenty-two".