111222022122111 has 8 divisors (see below), whose sum is σ = 150082728647040. Its totient is φ = 73254665172632.

The previous prime is 111222022122103. The next prime is 111222022122119. The reversal of 111222022122111 is 111221220222111.

It is an interprime number because it is at equal distance from previous prime (111222022122103) and next prime (111222022122119).

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 111222022122111 - 2³ = 111222022122103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222022122119) 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, 223337393571 + ... + 223337394068.

It is an arithmetic number, because the mean of its divisors is an integer number (18760341080880).

Almost surely, 2^{111222022122111} is an apocalyptic number.

111222022122111 is a deficient number, since it is larger than the sum of its proper divisors (38860706524929).

111222022122111 is an equidigital number, since it uses as much as digits as its factorization.

111222022122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446674787725.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111222022122111 its reverse (111221220222111), we get a palindrome (222443242344222).

The spelling of 111222022122111 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, one hundred eleven".