2101442311 has 4 divisors (see below), whose sum is σ = 2192809392. Its totient is φ = 2010075232.

The previous prime is 2101442281. The next prime is 2101442327. The reversal of 2101442311 is 1132441012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101442311 - 2⁷ = 2101442183 is a prime.

It is a super-2 number, since 2×2101442311² = 8832119572922041442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101442381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45683506 + ... + 45683551.

It is an arithmetic number, because the mean of its divisors is an integer number (548202348).

Almost surely, 2^2101442311 is an apocalyptic number.

2101442311 is a deficient number, since it is larger than the sum of its proper divisors (91367081).

2101442311 is an equidigital number, since it uses as much as digits as its factorization.

2101442311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91367080.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2101442311 is about 45841.4911515758. The cubic root of 2101442311 is about 1280.8722714526.

Adding to 2101442311 its reverse (1132441012), we get a palindrome (3233883323).

The spelling of 2101442311 in words is "two billion, one hundred one million, four hundred forty-two thousand, three hundred eleven".