2171170101115 has 32 divisors (see below), whose sum is σ = 2765740320000. Its totient is φ = 1631622434688.

The previous prime is 2171170101103. The next prime is 2171170101157. The reversal of 2171170101115 is 5111010711712.

It is a cyclic number.

It is not a de Polignac number, because 2171170101115 - 2¹¹ = 2171170099067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10421236 + ... + 10627534.

It is an arithmetic number, because the mean of its divisors is an integer number (86429385000).

Almost surely, 2^{2171170101115} is an apocalyptic number.

2171170101115 is a deficient number, since it is larger than the sum of its proper divisors (594570218885).

2171170101115 is a wasteful number, since it uses less digits than its factorization.

2171170101115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207259.

The product of its (nonzero) digits is 490, while the sum is 28.

Adding to 2171170101115 its reverse (5111010711712), we get a palindrome (7282180812827).

The spelling of 2171170101115 in words is "two trillion, one hundred seventy-one billion, one hundred seventy million, one hundred one thousand, one hundred fifteen".