2102311101 has 16 divisors (see below), whose sum is σ = 3058771968. Its totient is φ = 1273767600.

The previous prime is 2102311087. The next prime is 2102311109. The reversal of 2102311101 is 1011132012.

It is not a de Polignac number, because 2102311101 - 2⁶ = 2102311037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102311109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152830 + ... + 166016.

It is an arithmetic number, because the mean of its divisors is an integer number (191173248).

Almost surely, 2^2102311101 is an apocalyptic number.

It is an amenable number.

2102311101 is a deficient number, since it is larger than the sum of its proper divisors (956460867).

2102311101 is a wasteful number, since it uses less digits than its factorization.

2102311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2102311101 is about 45850.9661948361. The cubic root of 2102311101 is about 1281.0487622522.

Adding to 2102311101 its reverse (1011132012), we get a palindrome (3113443113).

Subtracting from 2102311101 its reverse (1011132012), we obtain a square (1091179089 = 33033²).

The spelling of 2102311101 in words is "two billion, one hundred two million, three hundred eleven thousand, one hundred one".