2101332311 has 24 divisors (see below), whose sum is σ = 2416267584. Its totient is φ = 1820282880.

The previous prime is 2101332307. The next prime is 2101332313. The reversal of 2101332311 is 1132331012.

It is not a de Polignac number, because 2101332311 - 2² = 2101332307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101332311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101332313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1237415 + ... + 1239111.

It is an arithmetic number, because the mean of its divisors is an integer number (100677816).

Almost surely, 2^2101332311 is an apocalyptic number.

2101332311 is a deficient number, since it is larger than the sum of its proper divisors (314935273).

2101332311 is a wasteful number, since it uses less digits than its factorization.

2101332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2101332311 is about 45840.2913494232. The cubic root of 2101332311 is about 1280.8499219758.

Adding to 2101332311 its reverse (1132331012), we get a palindrome (3233663323).

The spelling of 2101332311 in words is "two billion, one hundred one million, three hundred thirty-two thousand, three hundred eleven".