211102101201113 has 4 divisors (see below), whose sum is σ = 223519871860020. Its totient is φ = 198684330542208.

The previous prime is 211102101201109. The next prime is 211102101201179. The reversal of 211102101201113 is 311102101201112.

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 194122163469529 + 16979937731584 = 13932773^2 + 4120672^2 .

It is a cyclic number.

It is not a de Polignac number, because 211102101201113 - 2² = 211102101201109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 12417770658889 = 211102101201113 / (2 + 1 + 1 + 1 + 0 + 2 + 1 + 0 + 1 + 2 + 0 + 1 + 1 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211102101201091 and 211102101201100.

It is not an unprimeable number, because it can be changed into a prime (211102101201193) 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, 6208885329428 + ... + 6208885329461.

It is an arithmetic number, because the mean of its divisors is an integer number (55879967965005).

Almost surely, 2^{211102101201113} is an apocalyptic number.

It is an amenable number.

211102101201113 is a deficient number, since it is larger than the sum of its proper divisors (12417770658907).

211102101201113 is a wasteful number, since it uses less digits than its factorization.

211102101201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417770658906.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 211102101201113 its reverse (311102101201112), we get a palindrome (522204202402225).

Subtracting 211102101201113 from its reverse (311102101201112), we obtain a palindrome (99999999999999).

The spelling of 211102101201113 in words is "two hundred eleven trillion, one hundred two billion, one hundred one million, two hundred one thousand, one hundred thirteen".