2102730010111 has 4 divisors (see below), whose sum is σ = 2123549119224. Its totient is φ = 2081910901000.

The previous prime is 2102730010099. The next prime is 2102730010141. The reversal of 2102730010111 is 1110100372012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102730010111 - 2²¹ = 2102727912959 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 (2102730010141) 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, 10409554405 + ... + 10409554606.

It is an arithmetic number, because the mean of its divisors is an integer number (530887279806).

Almost surely, 2^{2102730010111} is an apocalyptic number.

2102730010111 is a deficient number, since it is larger than the sum of its proper divisors (20819109113).

2102730010111 is a wasteful number, since it uses less digits than its factorization.

2102730010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20819109112.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 2102730010111 its reverse (1110100372012), we get a palindrome (3212830382123).

The spelling of 2102730010111 in words is "two trillion, one hundred two billion, seven hundred thirty million, ten thousand, one hundred eleven".