2102121170 has 32 divisors (see below), whose sum is σ = 3818050560. Its totient is φ = 833276160.

The previous prime is 2102121169. The next prime is 2102121223. The reversal of 2102121170 is 711212012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538586 + ... + 542474.

It is an arithmetic number, because the mean of its divisors is an integer number (119314080).

Almost surely, 2^2102121170 is an apocalyptic number.

2102121170 is a deficient number, since it is larger than the sum of its proper divisors (1715929390).

2102121170 is a wasteful number, since it uses less digits than its factorization.

2102121170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 2102121170 is about 45848.8949703262. The cubic root of 2102121170 is about 1281.0101827733.

Adding to 2102121170 its reverse (711212012), we get a palindrome (2813333182).

The spelling of 2102121170 in words is "two billion, one hundred two million, one hundred twenty-one thousand, one hundred seventy".