22212121002122 has 16 divisors (see below), whose sum is σ = 35278173767232. Its totient is φ = 10452733421760.

The previous prime is 22212121002107. The next prime is 22212121002133. The reversal of 22212121002122 is 22120012121222.

It is a junction number, because it is equal to n+sod(n) for n = 22212121002094 and 22212121002103.

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 7 ways as a sum of consecutive naturals, for example, 15704747 + ... + 17060577.

It is an arithmetic number, because the mean of its divisors is an integer number (2204885860452).

Almost surely, 2^{22212121002122} is an apocalyptic number.

22212121002122 is a deficient number, since it is larger than the sum of its proper divisors (13066052765110).

22212121002122 is a wasteful number, since it uses less digits than its factorization.

22212121002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837693.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22212121002122 its reverse (22120012121222), we get a palindrome (44332133123344).

The spelling of 22212121002122 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-one million, two thousand, one hundred twenty-two".