2122135443 has 20 divisors (see below), whose sum is σ = 3183974640. Its totient is φ = 1408566672.

The previous prime is 2122135439. The next prime is 2122135447. The reversal of 2122135443 is 3445312212.

2122135443 is a `hidden beast` number, since 2 + 1 + 2 + 213 + 5 + 443 = 666.

It is an interprime number because it is at equal distance from previous prime (2122135439) and next prime (2122135447).

It is not a de Polignac number, because 2122135443 - 2² = 2122135439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2122135447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38655 + ... + 75752.

It is an arithmetic number, because the mean of its divisors is an integer number (159198732).

Almost surely, 2^2122135443 is an apocalyptic number.

2122135443 is a deficient number, since it is larger than the sum of its proper divisors (1061839197).

2122135443 is a wasteful number, since it uses less digits than its factorization.

2122135443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114648 (or 114639 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2122135443 is about 46066.6413253669. The cubic root of 2122135443 is about 1285.0628427936.

Adding to 2122135443 its reverse (3445312212), we get a palindrome (5567447655).

The spelling of 2122135443 in words is "two billion, one hundred twenty-two million, one hundred thirty-five thousand, four hundred forty-three".