22211122202122 has 16 divisors (see below), whose sum is σ = 38076946915392. Its totient is φ = 9518868015840.

The previous prime is 22211122202089. The next prime is 22211122202131. The reversal of 22211122202122 is 22120222111222.

It is a junction number, because it is equal to n+sod(n) for n = 22211122202093 and 22211122202102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14613088 + ... + 16061275.

It is an arithmetic number, because the mean of its divisors is an integer number (2379809182212).

Almost surely, 2^{22211122202122} is an apocalyptic number.

22211122202122 is a deficient number, since it is larger than the sum of its proper divisors (15865824713270).

22211122202122 is a wasteful number, since it uses less digits than its factorization.

22211122202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30726093.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22211122202122 its reverse (22120222111222), we get a palindrome (44331344313344).

The spelling of 22211122202122 in words is "twenty-two trillion, two hundred eleven billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-two".