226206311111 has 4 divisors (see below), whose sum is σ = 246770521224. Its totient is φ = 205642101000.

The previous prime is 226206311101. The next prime is 226206311117. The reversal of 226206311111 is 111113602622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226206311111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226206311117) 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, 10282105040 + ... + 10282105061.

It is an arithmetic number, because the mean of its divisors is an integer number (61692630306).

Almost surely, 2^226206311111 is an apocalyptic number.

226206311111 is a deficient number, since it is larger than the sum of its proper divisors (20564210113).

226206311111 is a wasteful number, since it uses less digits than its factorization.

226206311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20564210112.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 226206311111 its reverse (111113602622), we get a palindrome (337319913733).

The spelling of 226206311111 in words is "two hundred twenty-six billion, two hundred six million, three hundred eleven thousand, one hundred eleven".