2135244101 has 4 divisors (see below), whose sum is σ = 2137748172. Its totient is φ = 2132740032.

The previous prime is 2135244079. The next prime is 2135244107. The reversal of 2135244101 is 1014425312.

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 1002988900 + 1132255201 = 31670^2 + 33649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135244101 - 2¹⁸ = 2134981957 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 (2135244107) 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, 1250756 + ... + 1252461.

It is an arithmetic number, because the mean of its divisors is an integer number (534437043).

Almost surely, 2^2135244101 is an apocalyptic number.

It is an amenable number.

2135244101 is a deficient number, since it is larger than the sum of its proper divisors (2504071).

2135244101 is an equidigital number, since it uses as much as digits as its factorization.

2135244101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504070.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2135244101 is about 46208.7015723229. The cubic root of 2135244101 is about 1287.7034035129.

Adding to 2135244101 its reverse (1014425312), we get a palindrome (3149669413).

The spelling of 2135244101 in words is "two billion, one hundred thirty-five million, two hundred forty-four thousand, one hundred one".