2101306011 has 16 divisors (see below), whose sum is σ = 3204647424. Its totient is φ = 1199749824.

The previous prime is 2101306003. The next prime is 2101306019. The reversal of 2101306011 is 1106031012.

It is an interprime number because it is at equal distance from previous prime (2101306003) and next prime (2101306019).

It is not a de Polignac number, because 2101306011 - 2³ = 2101306003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101306019) 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, 15226 + ... + 66591.

It is an arithmetic number, because the mean of its divisors is an integer number (200290464).

Almost surely, 2^2101306011 is an apocalyptic number.

2101306011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2101306011 is a deficient number, since it is larger than the sum of its proper divisors (1103341413).

2101306011 is a wasteful number, since it uses less digits than its factorization.

2101306011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83050.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2101306011 is about 45840.0044829841. The cubic root of 2101306011 is about 1280.8445783035.

Adding to 2101306011 its reverse (1106031012), we get a palindrome (3207337023).

The spelling of 2101306011 in words is "two billion, one hundred one million, three hundred six thousand, eleven".