111010200002101 has 4 divisors (see below), whose sum is σ = 111717271339852. Its totient is φ = 110303128664352.

The previous prime is 111010200002063. The next prime is 111010200002113. The reversal of 111010200002101 is 101200002010111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10333659589201 + 100676540412900 = 3214601^2 + 10033770^2 .

It is a cyclic number.

It is not a de Polignac number, because 111010200002101 - 2¹³ = 111010199993909 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 (111010200002131) 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, 353535668640 + ... + 353535668953.

It is an arithmetic number, because the mean of its divisors is an integer number (27929317834963).

Almost surely, 2^{111010200002101} is an apocalyptic number.

It is an amenable number.

111010200002101 is a deficient number, since it is larger than the sum of its proper divisors (707071337751).

111010200002101 is an equidigital number, since it uses as much as digits as its factorization.

111010200002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707071337750.

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

Adding to 111010200002101 its reverse (101200002010111), we get a palindrome (212210202012212).

The spelling of 111010200002101 in words is "one hundred eleven trillion, ten billion, two hundred million, two thousand, one hundred one".