2102207671 has 4 divisors (see below), whose sum is σ = 2212850200. Its totient is φ = 1991565144.

The previous prime is 2102207669. The next prime is 2102207687. The reversal of 2102207671 is 1767022012.

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 2102207671 - 2¹ = 2102207669 is a prime.

It is a super-2 number, since 2×2102207671² = 8838554184022488482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102207621) 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, 55321236 + ... + 55321273.

It is an arithmetic number, because the mean of its divisors is an integer number (553212550).

Almost surely, 2^2102207671 is an apocalyptic number.

2102207671 is a deficient number, since it is larger than the sum of its proper divisors (110642529).

2102207671 is a wasteful number, since it uses less digits than its factorization.

2102207671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110642528.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2102207671 is about 45849.8382876101. The cubic root of 2102207671 is about 1281.0277534607.

Adding to 2102207671 its reverse (1767022012), we get a palindrome (3869229683).

The spelling of 2102207671 in words is "two billion, one hundred two million, two hundred seven thousand, six hundred seventy-one".