1002020112202 has 4 divisors (see below), whose sum is σ = 1503030168306. Its totient is φ = 501010056100.

The previous prime is 1002020112187. The next prime is 1002020112239. The reversal of 1002020112202 is 2022110202001.

It is a happy number.

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., 769955355841 + 232064756361 = 877471^2 + 481731^2 .

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, 250505028049 + ... + 250505028052.

Almost surely, 2^{1002020112202} is an apocalyptic number.

1002020112202 is a deficient number, since it is larger than the sum of its proper divisors (501010056104).

1002020112202 is an equidigital number, since it uses as much as digits as its factorization.

1002020112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501010056103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002020112202 its reverse (2022110202001), we get a palindrome (3024130314203).

The spelling of 1002020112202 in words is "one trillion, two billion, twenty million, one hundred twelve thousand, two hundred two".