122222331111 has 16 divisors (see below), whose sum is σ = 172428938240. Its totient is φ = 76793080320.

The previous prime is 122222331109. The next prime is 122222331167. The reversal of 122222331111 is 111133222221.

It is not a de Polignac number, because 122222331111 - 2¹ = 122222331109 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 (122222333111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5544055 + ... + 5566056.

It is an arithmetic number, because the mean of its divisors is an integer number (10776808640).

Almost surely, 2^122222331111 is an apocalyptic number.

122222331111 is a deficient number, since it is larger than the sum of its proper divisors (50206607129).

122222331111 is a wasteful number, since it uses less digits than its factorization.

122222331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110326.

The product of its digits is 288, while the sum is 21.

Adding to 122222331111 its reverse (111133222221), we get a palindrome (233355553332).

The spelling of 122222331111 in words is "one hundred twenty-two billion, two hundred twenty-two million, three hundred thirty-one thousand, one hundred eleven".