2101202113 has 4 divisors (see below), whose sum is σ = 2110624768. Its totient is φ = 2091779460.

The previous prime is 2101202111. The next prime is 2101202137. The reversal of 2101202113 is 3112021012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101202113 - 2¹ = 2101202111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101202093 and 2101202102.

It is not an unprimeable number, because it can be changed into a prime (2101202111) 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, 4710993 + ... + 4711438.

It is an arithmetic number, because the mean of its divisors is an integer number (527656192).

Almost surely, 2^2101202113 is an apocalyptic number.

It is an amenable number.

2101202113 is a deficient number, since it is larger than the sum of its proper divisors (9422655).

2101202113 is an equidigital number, since it uses as much as digits as its factorization.

2101202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422654.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2101202113 is about 45838.8712011978. The cubic root of 2101202113 is about 1280.8234677208.

Adding to 2101202113 its reverse (3112021012), we get a palindrome (5213223125).

The spelling of 2101202113 in words is "two billion, one hundred one million, two hundred two thousand, one hundred thirteen".