122211011222 has 4 divisors (see below), whose sum is σ = 183316516836. Its totient is φ = 61105505610.

The previous prime is 122211011203. The next prime is 122211011227. The reversal of 122211011222 is 222110112221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122211011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211011227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552752804 + ... + 30552752807.

It is an arithmetic number, because the mean of its divisors is an integer number (45829129209).

Almost surely, 2^122211011222 is an apocalyptic number.

122211011222 is a deficient number, since it is larger than the sum of its proper divisors (61105505614).

122211011222 is an equidigital number, since it uses as much as digits as its factorization.

122211011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61105505613.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122211011222 its reverse (222110112221), we get a palindrome (344321123443).

The spelling of 122211011222 in words is "one hundred twenty-two billion, two hundred eleven million, eleven thousand, two hundred twenty-two".