111120220202101 has 4 divisors (see below), whose sum is σ = 121222058402304. Its totient is φ = 101018382001900.

The previous prime is 111120220202063. The next prime is 111120220202119. The reversal of 111120220202101 is 101202022021111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111120220202101 - 2⁷ = 111120220201973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120220202141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050919100085 + ... + 5050919100106.

It is an arithmetic number, because the mean of its divisors is an integer number (30305514600576).

Almost surely, 2^{111120220202101} is an apocalyptic number.

111120220202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111120220202101 is a deficient number, since it is larger than the sum of its proper divisors (10101838200203).

111120220202101 is a wasteful number, since it uses less digits than its factorization.

111120220202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101838200202.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111120220202101 its reverse (101202022021111), we get a palindrome (212322242223212).

The spelling of 111120220202101 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty million, two hundred two thousand, one hundred one".