2170268121 has 8 divisors (see below), whose sum is σ = 3307075264. Its totient is φ = 1240153200.

The previous prime is 2170268081. The next prime is 2170268123. The reversal of 2170268121 is 1218620712.

2170268121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-2170268121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2170268123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51673030 + ... + 51673071.

It is an arithmetic number, because the mean of its divisors is an integer number (413384408).

Almost surely, 2^2170268121 is an apocalyptic number.

2170268121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2170268121 is a deficient number, since it is larger than the sum of its proper divisors (1136807143).

2170268121 is a wasteful number, since it uses less digits than its factorization.

2170268121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103346111.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 2170268121 is about 46586.1365751658. The cubic root of 2170268121 is about 1294.7059097738.

Adding to 2170268121 its reverse (1218620712), we get a palindrome (3388888833).

The spelling of 2170268121 in words is "two billion, one hundred seventy million, two hundred sixty-eight thousand, one hundred twenty-one".