210122 has 8 divisors (see below), whose sum is σ = 343872. Its totient is φ = 95500.

The previous prime is 210113. The next prime is 210127. The reversal of 210122 is 221012.

210122 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 not an unprimeable number, because it can be changed into a prime (210127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754 + ... + 4797.

It is an arithmetic number, because the mean of its divisors is an integer number (42984).

2²¹⁰¹²² is an apocalyptic number.

210122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210122 is a deficient number, since it is larger than the sum of its proper divisors (133750).

210122 is a wasteful number, since it uses less digits than its factorization.

210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 210122 is about 458.3906630812. The cubic root of 210122 is about 59.4507277514.

Adding to 210122 its reverse (221012), we get a palindrome (431134).

It can be divided in two parts, 21012 and 2, that multiplied together give a palindrome (42024).

The spelling of 210122 in words is "two hundred ten thousand, one hundred twenty-two", and thus it is an iban number.