2001122202010 has 8 divisors (see below), whose sum is σ = 3602019963636. Its totient is φ = 800448880800.

The previous prime is 2001122201999. The next prime is 2001122202017. The reversal of 2001122202010 is 102022211002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1981002765361 + 20119436649 = 1407481^2 + 141843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2001122202017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100056110091 + ... + 100056110110.

Almost surely, 2^{2001122202010} is an apocalyptic number.

2001122202010 is a deficient number, since it is larger than the sum of its proper divisors (1600897761626).

2001122202010 is a wasteful number, since it uses less digits than its factorization.

2001122202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200112220208.

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

Adding to 2001122202010 its reverse (102022211002), we get a palindrome (2103144413012).

The spelling of 2001122202010 in words is "two trillion, one billion, one hundred twenty-two million, two hundred two thousand, ten".