22000121210122 has 32 divisors (see below), whose sum is σ = 38118705805440. Its totient is φ = 9411606996480.

The previous prime is 22000121210117. The next prime is 22000121210147. The reversal of 22000121210122 is 22101212100022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22000121210096 and 22000121210105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16784454 + ... + 18047662.

It is an arithmetic number, because the mean of its divisors is an integer number (1191209556420).

Almost surely, 2^{22000121210122} is an apocalyptic number.

22000121210122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22000121210122 is a deficient number, since it is larger than the sum of its proper divisors (16118584595318).

22000121210122 is a wasteful number, since it uses less digits than its factorization.

22000121210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309806.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22000121210122 its reverse (22101212100022), we get a palindrome (44101333310144).

The spelling of 22000121210122 in words is "twenty-two trillion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".