111120202101 has 4 divisors (see below), whose sum is σ = 148160269472. Its totient is φ = 74080134732.

The previous prime is 111120202073. The next prime is 111120202147. The reversal of 111120202101 is 101202021111.

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 111120202101 - 2¹⁰ = 111120201077 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 (111120202601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18520033681 + ... + 18520033686.

It is an arithmetic number, because the mean of its divisors is an integer number (37040067368).

Almost surely, 2^111120202101 is an apocalyptic number.

It is an amenable number.

111120202101 is a deficient number, since it is larger than the sum of its proper divisors (37040067371).

111120202101 is an equidigital number, since it uses as much as digits as its factorization.

111120202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37040067370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111120202101 its reverse (101202021111), we get a palindrome (212322223212).

The spelling of 111120202101 in words is "one hundred eleven billion, one hundred twenty million, two hundred two thousand, one hundred one".