201222211010000 has 50 divisors (see below), whose sum is σ = 487179095100522. Its totient is φ = 80488884400000.

The previous prime is 201222211009973. The next prime is 201222211010053. The reversal of 201222211010000 is 10112222102.

It can be written as a sum of positive squares in 5 ways, for example, as 115923465434176 + 85298745575824 = 10766776^2 + 9235732^2 .

It is a tau number, because it is divible by the number of its divisors (50).

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 9 ways as a sum of consecutive naturals, for example, 10061100551 + ... + 10061120550.

Almost surely, 2^{201222211010000} is an apocalyptic number.

201222211010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222211010000 is an abundant number, since it is smaller than the sum of its proper divisors (285956884090522).

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

201222211010000 is an equidigital number, since it uses as much as digits as its factorization.

201222211010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20122221129 (or 20122221108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201222211010000 its reverse (10112222102), we get a palindrome (201232323232102).

The spelling of 201222211010000 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred eleven million, ten thousand".