201000222221112 has 80 divisors (see below), whose sum is σ = 576079448349240. Its totient is φ = 65441932807104.

The previous prime is 201000222221063. The next prime is 201000222221119. The reversal of 201000222221112 is 211122222000102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000222221119) 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 19 ways as a sum of consecutive naturals, for example, 3606780603 + ... + 3606836330.

Almost surely, 2^{201000222221112} is an apocalyptic number.

It is an amenable number.

201000222221112 is an abundant number, since it is smaller than the sum of its proper divisors (375079226128128).

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

201000222221112 is a wasteful number, since it uses less digits than its factorization.

201000222221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213616994 (or 7213616981 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201000222221112 its reverse (211122222000102), we get a palindrome (412122444221214).

The spelling of 201000222221112 in words is "two hundred one trillion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".