111002211002101 has 12 divisors (see below), whose sum is σ = 117916863285312. Its totient is φ = 104471765674688.

The previous prime is 111002211002083. The next prime is 111002211002117. The reversal of 111002211002101 is 101200112200111.

It is a happy number.

It is not a de Polignac number, because 111002211002101 - 2⁹ = 111002211001589 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 (111002211002401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33068436 + ... + 36270178.

It is an arithmetic number, because the mean of its divisors is an integer number (9826405273776).

Almost surely, 2^{111002211002101} is an apocalyptic number.

It is an amenable number.

111002211002101 is a deficient number, since it is larger than the sum of its proper divisors (6914652283211).

111002211002101 is a wasteful number, since it uses less digits than its factorization.

111002211002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321740 (or 3321723 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111002211002101 its reverse (101200112200111), we get a palindrome (212202323202212).

The spelling of 111002211002101 in words is "one hundred eleven trillion, two billion, two hundred eleven million, two thousand, one hundred one".