111100222020111 has 16 divisors (see below), whose sum is σ = 159560487168000. Its totient is φ = 68561146827360.

The previous prime is 111100222020107. The next prime is 111100222020121. The reversal of 111100222020111 is 111020222001111.

It is a happy number.

It is not a de Polignac number, because 111100222020111 - 2² = 111100222020107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100222020121) 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, 25970129236 + ... + 25970133513.

It is an arithmetic number, because the mean of its divisors is an integer number (9972530448000).

Almost surely, 2^{111100222020111} is an apocalyptic number.

111100222020111 is a deficient number, since it is larger than the sum of its proper divisors (48460265147889).

111100222020111 is a wasteful number, since it uses less digits than its factorization.

111100222020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51940262806.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111100222020111 its reverse (111020222001111), we get a palindrome (222120444021222).

The spelling of 111100222020111 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty-two million, twenty thousand, one hundred eleven".