2122707071 has 4 divisors (see below), whose sum is σ = 2122825032. Its totient is φ = 2122589112.

The previous prime is 2122707043. The next prime is 2122707127. The reversal of 2122707071 is 1707072212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122707071 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 (2122707271) 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, 25745 + ... + 70058.

It is an arithmetic number, because the mean of its divisors is an integer number (530706258).

Almost surely, 2^2122707071 is an apocalyptic number.

2122707071 is a deficient number, since it is larger than the sum of its proper divisors (117961).

2122707071 is an equidigital number, since it uses as much as digits as its factorization.

2122707071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117960.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 2122707071 is about 46072.8452670334. The cubic root of 2122707071 is about 1285.1782158814.

Adding to 2122707071 its reverse (1707072212), we get a palindrome (3829779283).

The spelling of 2122707071 in words is "two billion, one hundred twenty-two million, seven hundred seven thousand, seventy-one".