2102322011 has 4 divisors (see below), whose sum is σ = 2102597112. Its totient is φ = 2102046912.

The previous prime is 2102321989. The next prime is 2102322037. The reversal of 2102322011 is 1102232012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102322011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102322611) 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, 125750 + ... + 141483.

It is an arithmetic number, because the mean of its divisors is an integer number (525649278).

Almost surely, 2^2102322011 is an apocalyptic number.

2102322011 is a deficient number, since it is larger than the sum of its proper divisors (275101).

2102322011 is an equidigital number, since it uses as much as digits as its factorization.

2102322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275100.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2102322011 is about 45851.0851670928. The cubic root of 2102322011 is about 1281.0509782607.

Adding to 2102322011 its reverse (1102232012), we get a palindrome (3204554023).

It can be divided in two parts, 21023 and 22011, that added together give a palindrome (43034).

The spelling of 2102322011 in words is "two billion, one hundred two million, three hundred twenty-two thousand, eleven".