111002211101 has 4 divisors (see below), whose sum is σ = 111058077312. Its totient is φ = 110946344892.

The previous prime is 111002211053. The next prime is 111002211109. The reversal of 111002211101 is 101112200111.

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 a de Polignac number, because none of the positive numbers 2^k-111002211101 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 (111002211109) 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, 27930125 + ... + 27934098.

It is an arithmetic number, because the mean of its divisors is an integer number (27764519328).

Almost surely, 2^111002211101 is an apocalyptic number.

It is an amenable number.

111002211101 is a deficient number, since it is larger than the sum of its proper divisors (55866211).

111002211101 is an equidigital number, since it uses as much as digits as its factorization.

111002211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55866210.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111002211101 its reverse (101112200111), we get a palindrome (212114411212).

The spelling of 111002211101 in words is "one hundred eleven billion, two million, two hundred eleven thousand, one hundred one".