111002120101 has 4 divisors (see below), whose sum is σ = 111013130304. Its totient is φ = 110991109900.

The previous prime is 111002120083. The next prime is 111002120129. The reversal of 111002120101 is 101021200111.

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 a cyclic number.

It is not a de Polignac number, because 111002120101 - 2³³ = 102412185509 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 (111002127101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5489965 + ... + 5510146.

It is an arithmetic number, because the mean of its divisors is an integer number (27753282576).

Almost surely, 2^111002120101 is an apocalyptic number.

It is an amenable number.

111002120101 is a deficient number, since it is larger than the sum of its proper divisors (11010203).

111002120101 is a wasteful number, since it uses less digits than its factorization.

111002120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010202.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111002120101 its reverse (101021200111), we get a palindrome (212023320212).

The spelling of 111002120101 in words is "one hundred eleven billion, two million, one hundred twenty thousand, one hundred one".