111120220021101 has 16 divisors (see below), whose sum is σ = 156876767797824. Its totient is φ = 69721974077184.

The previous prime is 111120220021093. The next prime is 111120220021121. The reversal of 111120220021101 is 101120022021111.

It is a happy number.

It is not a de Polignac number, because 111120220021101 - 2³ = 111120220021093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120220021121) 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, 1071430 + ... + 14946183.

It is an arithmetic number, because the mean of its divisors is an integer number (9804797987364).

Almost surely, 2^{111120220021101} is an apocalyptic number.

It is an amenable number.

111120220021101 is a deficient number, since it is larger than the sum of its proper divisors (45756547776723).

111120220021101 is a wasteful number, since it uses less digits than its factorization.

111120220021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153660.

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

Adding to 111120220021101 its reverse (101120022021111), we get a palindrome (212240242042212).

The spelling of 111120220021101 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty million, twenty-one thousand, one hundred one".