2111321341 has 4 divisors (see below), whose sum is σ = 2235516732. Its totient is φ = 1987125952.

The previous prime is 2111321323. The next prime is 2111321369. The reversal of 2111321341 is 1431231112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1751422500 + 359898841 = 41850^2 + 18971^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111321341 - 2⁷ = 2111321213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111321321) 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, 62097670 + ... + 62097703.

It is an arithmetic number, because the mean of its divisors is an integer number (558879183).

Almost surely, 2^2111321341 is an apocalyptic number.

It is an amenable number.

2111321341 is a deficient number, since it is larger than the sum of its proper divisors (124195391).

2111321341 is a wasteful number, since it uses less digits than its factorization.

2111321341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124195390.

The product of its digits is 144, while the sum is 19.

The square root of 2111321341 is about 45949.1168685536. The cubic root of 2111321341 is about 1282.8762916419.

Adding to 2111321341 its reverse (1431231112), we get a palindrome (3542552453).

The spelling of 2111321341 in words is "two billion, one hundred eleven million, three hundred twenty-one thousand, three hundred forty-one".