22122212022211 has 12 divisors (see below), whose sum is σ = 25734081615192. Its totient is φ = 18961837163808.

The previous prime is 22122212022139. The next prime is 22122212022221. The reversal of 22122212022211 is 11222021222122.

It is not a de Polignac number, because 22122212022211 - 2⁹ = 22122212021699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122212022221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24150471 + ... + 25049743.

It is an arithmetic number, because the mean of its divisors is an integer number (2144506801266).

Almost surely, 2^{22122212022211} is an apocalyptic number.

22122212022211 is a deficient number, since it is larger than the sum of its proper divisors (3611869592981).

22122212022211 is an equidigital number, since it uses as much as digits as its factorization.

22122212022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401330 (or 1401323 counting only the distinct ones).

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

Adding to 22122212022211 its reverse (11222021222122), we get a palindrome (33344233244333).

The spelling of 22122212022211 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred eleven".