122222112022211 has 4 divisors (see below), whose sum is σ = 122267870958624. Its totient is φ = 122176353085800.

The previous prime is 122222112022177. The next prime is 122222112022243. The reversal of 122222112022211 is 112220211222221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122222112022211 - 2⁶ = 122222112022147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222112022411) by changing a digit.

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, 22879464200 + ... + 22879469541.

It is an arithmetic number, because the mean of its divisors is an integer number (30566967739656).

Almost surely, 2^{122222112022211} is an apocalyptic number.

122222112022211 is a deficient number, since it is larger than the sum of its proper divisors (45758936413).

122222112022211 is an equidigital number, since it uses as much as digits as its factorization.

122222112022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45758936412.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122222112022211 its reverse (112220211222221), we get a palindrome (234442323244432).

The spelling of 122222112022211 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, twenty-two thousand, two hundred eleven".