122022211111211 has 4 divisors (see below), whose sum is σ = 122022238781352. Its totient is φ = 122022183441072.

The previous prime is 122022211111183. The next prime is 122022211111249. The reversal of 122022211111211 is 112111112220221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122022211111211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122022211111261) 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, 5577290 + ... + 16587663.

It is an arithmetic number, because the mean of its divisors is an integer number (30505559695338).

Almost surely, 2^{122022211111211} is an apocalyptic number.

122022211111211 is a deficient number, since it is larger than the sum of its proper divisors (27670141).

122022211111211 is an equidigital number, since it uses as much as digits as its factorization.

122022211111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27670140.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 122022211111211 its reverse (112111112220221), we get a palindrome (234133323331432).

The spelling of 122022211111211 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred eleven million, one hundred eleven thousand, two hundred eleven".