122202221122 has 4 divisors (see below), whose sum is σ = 183303331686. Its totient is φ = 61101110560.

The previous prime is 122202221107. The next prime is 122202221153. The reversal of 122202221122 is 221122202221.

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

It can be written as a sum of positive squares in only one way, i.e., 118130377401 + 4071843721 = 343701^2 + 63811^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122202221122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30550555279 + ... + 30550555282.

Almost surely, 2^122202221122 is an apocalyptic number.

122202221122 is a deficient number, since it is larger than the sum of its proper divisors (61101110564).

122202221122 is an equidigital number, since it uses as much as digits as its factorization.

122202221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61101110563.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122202221122 its reverse (221122202221), we get a palindrome (343324423343).

The spelling of 122202221122 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".