201211222222000 has 40 divisors (see below), whose sum is σ = 486528735337632. Its totient is φ = 80484488888000.

The previous prime is 201211222221991. The next prime is 201211222222037. The reversal of 201211222222000 is 222222112102.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50302803556 + ... + 50302807555.

Almost surely, 2^{201211222222000} is an apocalyptic number.

201211222222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201211222222000 is an abundant number, since it is smaller than the sum of its proper divisors (285317513115632).

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

201211222222000 is a wasteful number, since it uses less digits than its factorization.

201211222222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100605611134 (or 100605611118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201211222222000 its reverse (222222112102), we get a palindrome (201433444334102).

The spelling of 201211222222000 in words is "two hundred one trillion, two hundred eleven billion, two hundred twenty-two million, two hundred twenty-two thousand".