1000222021202 has 4 divisors (see below), whose sum is σ = 1500333031806. Its totient is φ = 500111010600.

The previous prime is 1000222021157. The next prime is 1000222021289. The reversal of 1000222021202 is 2021202220001.

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., 528556626361 + 471665394841 = 727019^2 + 686779^2 .

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, 250055505299 + ... + 250055505302.

Almost surely, 2^{1000222021202} is an apocalyptic number.

1000222021202 is a deficient number, since it is larger than the sum of its proper divisors (500111010604).

1000222021202 is an equidigital number, since it uses as much as digits as its factorization.

1000222021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500111010603.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1000222021202 its reverse (2021202220001), we get a palindrome (3021424241203).

The spelling of 1000222021202 in words is "one trillion, two hundred twenty-two million, twenty-one thousand, two hundred two".