2171197106 has 8 divisors (see below), whose sum is σ = 3507318444. Its totient is φ = 1002090960.

The previous prime is 2171197081. The next prime is 2171197121. The reversal of 2171197106 is 6017911712.

It can be written as a sum of positive squares in 2 ways, for example, as 1901744881 + 269452225 = 43609^2 + 16415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41753765 + ... + 41753816.

Almost surely, 2^2171197106 is an apocalyptic number.

2171197106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2171197106 is a deficient number, since it is larger than the sum of its proper divisors (1336121338).

2171197106 is a wasteful number, since it uses less digits than its factorization.

2171197106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83507596.

The product of its (nonzero) digits is 5292, while the sum is 35.

The square root of 2171197106 is about 46596.1061248684. The cubic root of 2171197106 is about 1294.8906167208.

The spelling of 2171197106 in words is "two billion, one hundred seventy-one million, one hundred ninety-seven thousand, one hundred six".