2171170101112 has 32 divisors (see below), whose sum is σ = 4088210940000. Its totient is φ = 1080984131584.

The previous prime is 2171170101103. The next prime is 2171170101157. The reversal of 2171170101112 is 2111010711712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4608264 + ... + 5057512.

It is an arithmetic number, because the mean of its divisors is an integer number (127756591875).

Almost surely, 2^{2171170101112} is an apocalyptic number.

It is an amenable number.

2171170101112 is a deficient number, since it is larger than the sum of its proper divisors (1917040838888).

2171170101112 is a wasteful number, since it uses less digits than its factorization.

2171170101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451815 (or 451811 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 25.

Adding to 2171170101112 its reverse (2111010711712), we get a palindrome (4282180812824).

The spelling of 2171170101112 in words is "two trillion, one hundred seventy-one billion, one hundred seventy million, one hundred one thousand, one hundred twelve".