2011052101 has 4 divisors (see below), whose sum is σ = 2041067872. Its totient is φ = 1981036332.

The previous prime is 2011052063. The next prime is 2011052129. The reversal of 2011052101 is 1012501102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1012501102 = 2 ⋅506250551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011052101 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 (2011052161) 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, 15007785 + ... + 15007918.

It is an arithmetic number, because the mean of its divisors is an integer number (510266968).

Almost surely, 2^2011052101 is an apocalyptic number.

It is an amenable number.

2011052101 is a deficient number, since it is larger than the sum of its proper divisors (30015771).

2011052101 is an equidigital number, since it uses as much as digits as its factorization.

2011052101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30015770.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2011052101 is about 44844.7555573670. The cubic root of 2011052101 is about 1262.2375838086.

Adding to 2011052101 its reverse (1012501102), we get a palindrome (3023553203).

The spelling of 2011052101 in words is "two billion, eleven million, fifty-two thousand, one hundred one".