111222123100011 has 192 divisors, whose sum is σ = 217169864294400. Its totient is φ = 55570861684800.

The previous prime is 111222123099979. The next prime is 111222123100019. The reversal of 111222123100011 is 110001321222111.

It is a happy number.

111222123100011 is a `hidden beast` number, since 11 + 122 + 212 + 310 + 0 + 0 + 11 = 666.

It is not a de Polignac number, because 111222123100011 - 2⁵ = 111222123099979 is a prime.

It is a super-3 number, since 3×111222123100011³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222123100019) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 72780070 + ... + 74292548.

It is an arithmetic number, because the mean of its divisors is an integer number (1131093043200).

Almost surely, 2^{111222123100011} is an apocalyptic number.

111222123100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111222123100011 is a deficient number, since it is larger than the sum of its proper divisors (105947741194389).

111222123100011 is a wasteful number, since it uses less digits than its factorization.

111222123100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512707 (or 1512694 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111222123100011 its reverse (110001321222111), we get a palindrome (221223444322122).

The spelling of 111222123100011 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-three million, one hundred thousand, eleven".