2106268871 has 12 divisors (see below), whose sum is σ = 2507132232. Its totient is φ = 1763386128.

The previous prime is 2106268841. The next prime is 2106268877. The reversal of 2106268871 is 1788626012.

It is not a de Polignac number, because 2106268871 - 2¹⁰ = 2106267847 is a prime.

It is a super-2 number, since 2×2106268871² = 8872737113887229282, 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 (2106268877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497720 + ... + 501933.

It is an arithmetic number, because the mean of its divisors is an integer number (208927686).

Almost surely, 2^2106268871 is an apocalyptic number.

2106268871 is a deficient number, since it is larger than the sum of its proper divisors (400863361).

2106268871 is an equidigital number, since it uses as much as digits as its factorization.

2106268871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999710 (or 999703 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 2106268871 is about 45894.1049700286. The cubic root of 2106268871 is about 1281.8521508117.

The spelling of 2106268871 in words is "two billion, one hundred six million, two hundred sixty-eight thousand, eight hundred seventy-one".