122221121121202 has 4 divisors (see below), whose sum is σ = 183331681681806. Its totient is φ = 61110560560600.

The previous prime is 122221121121199. The next prime is 122221121121227. The reversal of 122221121121202 is 202121121122221.

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., 91707992392041 + 30513128729161 = 9576429^2 + 5523869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555280280299 + ... + 30555280280302.

Almost surely, 2^{122221121121202} is an apocalyptic number.

122221121121202 is a deficient number, since it is larger than the sum of its proper divisors (61110560560604).

122221121121202 is an equidigital number, since it uses as much as digits as its factorization.

122221121121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61110560560603.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122221121121202 its reverse (202121121122221), we get a palindrome (324342242243423).

The spelling of 122221121121202 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred two".