221200002022111 has 8 divisors (see below), whose sum is σ = 253903932453920. Its totient is φ = 188772054126048.

The previous prime is 221200002022079. The next prime is 221200002022123. The reversal of 221200002022111 is 111220200002122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 221200002022111 - 2⁵ = 221200002022079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200002022711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68995632216 + ... + 68995635421.

It is an arithmetic number, because the mean of its divisors is an integer number (31737991556740).

Almost surely, 2^{221200002022111} is an apocalyptic number.

221200002022111 is a deficient number, since it is larger than the sum of its proper divisors (32703930431809).

221200002022111 is a wasteful number, since it uses less digits than its factorization.

221200002022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137991267873.

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

Adding to 221200002022111 its reverse (111220200002122), we get a palindrome (332420202024233).

The spelling of 221200002022111 in words is "two hundred twenty-one trillion, two hundred billion, two million, twenty-two thousand, one hundred eleven".