2221001122202 has 4 divisors (see below), whose sum is σ = 3331501683306. Its totient is φ = 1110500561100.

The previous prime is 2221001122201. The next prime is 2221001122267. The reversal of 2221001122202 is 2022211001222.

It is a happy number.

2221001122202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1126949973241 + 1094051148961 = 1061579^2 + 1045969^2 .

It is not an unprimeable number, because it can be changed into a prime (2221001122201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555250280549 + ... + 555250280552.

Almost surely, 2^{2221001122202} is an apocalyptic number.

2221001122202 is a deficient number, since it is larger than the sum of its proper divisors (1110500561104).

2221001122202 is a wasteful number, since it uses less digits than its factorization.

2221001122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110500561103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221001122202 its reverse (2022211001222), we get a palindrome (4243212123424).

The spelling of 2221001122202 in words is "two trillion, two hundred twenty-one billion, one million, one hundred twenty-two thousand, two hundred two".