20122122211222 has 8 divisors (see below), whose sum is σ = 30189339395856. Its totient is φ = 10059009079272.

The previous prime is 20122122211091. The next prime is 20122122211253. The reversal of 20122122211222 is 22211222122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20122122211193 and 20122122211202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026000913 + ... + 1026020524.

It is an arithmetic number, because the mean of its divisors is an integer number (3773667424482).

Almost surely, 2^{20122122211222} is an apocalyptic number.

20122122211222 is a deficient number, since it is larger than the sum of its proper divisors (10067217184634).

20122122211222 is a wasteful number, since it uses less digits than its factorization.

20122122211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052026342.

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

Adding to 20122122211222 its reverse (22211222122102), we get a palindrome (42333344333324).

The spelling of 20122122211222 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".