111020102221102 has 4 divisors (see below), whose sum is σ = 166530153331656. Its totient is φ = 55510051110550.

The previous prime is 111020102221079. The next prime is 111020102221103. The reversal of 111020102221102 is 201122201020111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020102221103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755025555274 + ... + 27755025555277.

It is an arithmetic number, because the mean of its divisors is an integer number (41632538332914).

Almost surely, 2^{111020102221102} is an apocalyptic number.

111020102221102 is a deficient number, since it is larger than the sum of its proper divisors (55510051110554).

111020102221102 is an equidigital number, since it uses as much as digits as its factorization.

111020102221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55510051110553.

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

Adding to 111020102221102 its reverse (201122201020111), we get a palindrome (312142303241213).

The spelling of 111020102221102 in words is "one hundred eleven trillion, twenty billion, one hundred two million, two hundred twenty-one thousand, one hundred two".