222211200002111 has 4 divisors (see below), whose sum is σ = 222275256275400. Its totient is φ = 222147143728824.

The previous prime is 222211200002107. The next prime is 222211200002131. The reversal of 222211200002111 is 111200002112222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222211200002111 - 2² = 222211200002107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222211200002111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211200002131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32028131441 + ... + 32028138378.

It is an arithmetic number, because the mean of its divisors is an integer number (55568814068850).

Almost surely, 2^{222211200002111} is an apocalyptic number.

222211200002111 is a deficient number, since it is larger than the sum of its proper divisors (64056273289).

222211200002111 is an equidigital number, since it uses as much as digits as its factorization.

222211200002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64056273288.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222211200002111 its reverse (111200002112222), we get a palindrome (333411202114333).

The spelling of 222211200002111 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred million, two thousand, one hundred eleven".