2001202110222 has 64 divisors (see below), whose sum is σ = 4740109009920. Its totient is φ = 551098791936.

The previous prime is 2001202110217. The next prime is 2001202110233. The reversal of 2001202110222 is 2220112021002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720978 + ... + 2126549.

It is an arithmetic number, because the mean of its divisors is an integer number (74064203280).

Almost surely, 2^{2001202110222} is an apocalyptic number.

2001202110222 is an abundant number, since it is smaller than the sum of its proper divisors (2738906899698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001202110222 is a wasteful number, since it uses less digits than its factorization.

2001202110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848145.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2001202110222 its reverse (2220112021002), we get a palindrome (4221314131224).

The spelling of 2001202110222 in words is "two trillion, one billion, two hundred two million, one hundred ten thousand, two hundred twenty-two".