122221121200202 has 4 divisors (see below), whose sum is σ = 183331681800306. Its totient is φ = 61110560600100.

The previous prime is 122221121200201. The next prime is 122221121200207. The reversal of 122221121200202 is 202002121122221.

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., 94543515775801 + 27677605424401 = 9723349^2 + 5260951^2 .

It is not an unprimeable number, because it can be changed into a prime (122221121200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555280300049 + ... + 30555280300052.

Almost surely, 2^{122221121200202} is an apocalyptic number.

122221121200202 is a deficient number, since it is larger than the sum of its proper divisors (61110560600104).

122221121200202 is an equidigital number, since it uses as much as digits as its factorization.

122221121200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61110560600103.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122221121200202 its reverse (202002121122221), we get a palindrome (324223242322423).

The spelling of 122221121200202 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, two hundred two".