111042422211 has 16 divisors (see below), whose sum is σ = 169236114944. Its totient is φ = 63442082304.

The previous prime is 111042422191. The next prime is 111042422221. The reversal of 111042422211 is 112224240111.

It is not a de Polignac number, because 111042422211 - 2⁶ = 111042422147 is a prime.

It is a super-2 number, since 2×111042422211² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111042422221) 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, 319111 + ... + 569136.

It is an arithmetic number, because the mean of its divisors is an integer number (10577257184).

Almost surely, 2^111042422211 is an apocalyptic number.

111042422211 is a deficient number, since it is larger than the sum of its proper divisors (58193692733).

111042422211 is an equidigital number, since it uses as much as digits as its factorization.

111042422211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894210.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111042422211 its reverse (112224240111), we get a palindrome (223266662322).

The spelling of 111042422211 in words is "one hundred eleven billion, forty-two million, four hundred twenty-two thousand, two hundred eleven".