2131102332101 has 4 divisors (see below), whose sum is σ = 2183080437804. Its totient is φ = 2079124226400.

The previous prime is 2131102332097. The next prime is 2131102332113. The reversal of 2131102332101 is 1012332011312.

It is a happy number.

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 557015932225 + 1574086399876 = 746335^2 + 1254626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131102332101 - 2² = 2131102332097 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 (2131102302101) 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, 25989052790 + ... + 25989052871.

It is an arithmetic number, because the mean of its divisors is an integer number (545770109451).

Almost surely, 2^{2131102332101} is an apocalyptic number.

It is an amenable number.

2131102332101 is a deficient number, since it is larger than the sum of its proper divisors (51978105703).

2131102332101 is an equidigital number, since it uses as much as digits as its factorization.

2131102332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51978105702.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2131102332101 its reverse (1012332011312), we get a palindrome (3143434343413).

The spelling of 2131102332101 in words is "two trillion, one hundred thirty-one billion, one hundred two million, three hundred thirty-two thousand, one hundred one".