10001222010002 has 4 divisors (see below), whose sum is σ = 15001833015006. Its totient is φ = 5000611005000.

The previous prime is 10001222009971. The next prime is 10001222010019. The reversal of 10001222010002 is 20001022210001.

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., 7762514804641 + 2238707205361 = 2786129^2 + 1496231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500305502499 + ... + 2500305502502.

Almost surely, 2^{10001222010002} is an apocalyptic number.

10001222010002 is a deficient number, since it is larger than the sum of its proper divisors (5000611005004).

10001222010002 is an equidigital number, since it uses as much as digits as its factorization.

10001222010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000611005003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10001222010002 its reverse (20001022210001), we get a palindrome (30002244220003).

The spelling of 10001222010002 in words is "ten trillion, one billion, two hundred twenty-two million, ten thousand, two".