2001202221010 has 16 divisors (see below), whose sum is σ = 3603930667200. Its totient is φ = 800088295216.

The previous prime is 2001202221001. The next prime is 2001202221013. The reversal of 2001202221010 is 101222021002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2001202221013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49052740 + ... + 49093519.

It is an arithmetic number, because the mean of its divisors is an integer number (225245666700).

Almost surely, 2^{2001202221010} is an apocalyptic number.

2001202221010 is a deficient number, since it is larger than the sum of its proper divisors (1602728446190).

2001202221010 is a wasteful number, since it uses less digits than its factorization.

2001202221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98148305.

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

Adding to 2001202221010 its reverse (101222021002), we get a palindrome (2102424242012).

The spelling of 2001202221010 in words is "two trillion, one billion, two hundred two million, two hundred twenty-one thousand, ten".