201111000022222 has 8 divisors (see below), whose sum is σ = 304653297063672. Its totient is φ = 99559901001000.

The previous prime is 201111000022211. The next prime is 201111000022271. The reversal of 201111000022222 is 222220000111102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201111000022196 and 201111000022205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497799504804 + ... + 497799505207.

It is an arithmetic number, because the mean of its divisors is an integer number (38081662132959).

Almost surely, 2^{201111000022222} is an apocalyptic number.

201111000022222 is a deficient number, since it is larger than the sum of its proper divisors (103542297041450).

201111000022222 is a wasteful number, since it uses less digits than its factorization.

201111000022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995599010114.

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

Adding to 201111000022222 its reverse (222220000111102), we get a palindrome (423331000133324).

The spelling of 201111000022222 in words is "two hundred one trillion, one hundred eleven billion, twenty-two thousand, two hundred twenty-two".