201002222221010 has 64 divisors (see below), whose sum is σ = 416238555009024. Its totient is φ = 68457024504000.

The previous prime is 201002222220997. The next prime is 201002222221039. The reversal of 201002222221010 is 10122222200102.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201002222221010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494166179 + ... + 494572761.

It is an arithmetic number, because the mean of its divisors is an integer number (6503727422016).

Almost surely, 2^{201002222221010} is an apocalyptic number.

201002222221010 is an abundant number, since it is smaller than the sum of its proper divisors (215236332788014).

201002222221010 is a wasteful number, since it uses less digits than its factorization.

201002222221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453519.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201002222221010 its reverse (10122222200102), we get a palindrome (211124444421112).

The spelling of 201002222221010 in words is "two hundred one trillion, two billion, two hundred twenty-two million, two hundred twenty-one thousand, ten".