2102201112213 has 6 divisors (see below), whose sum is σ = 3036512717654. Its totient is φ = 1401467408136.

The previous prime is 2102201112163. The next prime is 2102201112217. The reversal of 2102201112213 is 3122111022012.

2102201112213 is a `hidden beast` number, since 210 + 220 + 1 + 11 + 221 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1989504608004 + 112696504209 = 1410498^2 + 335703^2 .

It is not a de Polignac number, because 2102201112213 - 2⁶ = 2102201112149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102201112217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116788950670 + ... + 116788950687.

Almost surely, 2^{2102201112213} is an apocalyptic number.

It is an amenable number.

2102201112213 is a deficient number, since it is larger than the sum of its proper divisors (934311605441).

2102201112213 is a wasteful number, since it uses less digits than its factorization.

2102201112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233577901363 (or 233577901360 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2102201112213 its reverse (3122111022012), we get a palindrome (5224312134225).

The spelling of 2102201112213 in words is "two trillion, one hundred two billion, two hundred one million, one hundred twelve thousand, two hundred thirteen".