201002222211100 has 72 divisors (see below), whose sum is σ = 467794248470640. Its totient is φ = 74732107207680.

The previous prime is 201002222211079. The next prime is 201002222211103. The reversal of 201002222211100 is 1112222200102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002222211103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997924237 + ... + 998125636.

It is an arithmetic number, because the mean of its divisors is an integer number (6497142339870).

Almost surely, 2^{201002222211100} is an apocalyptic number.

201002222211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002222211100 is an abundant number, since it is smaller than the sum of its proper divisors (266792026259540).

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

201002222211100 is a wasteful number, since it uses less digits than its factorization.

201002222211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996049959 (or 1996049952 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201002222211100 its reverse (1112222200102), we get a palindrome (202114444411202).

It can be divided in two parts, 20100222 and 2211100, that added together give a palindrome (22311322).

The spelling of 201002222211100 in words is "two hundred one trillion, two billion, two hundred twenty-two million, two hundred eleven thousand, one hundred".