210000122 has 16 divisors (see below), whose sum is σ = 336125760. Its totient is φ = 98109792.

The previous prime is 210000113. The next prime is 210000139. The reversal of 210000122 is 221000012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35078 + ... + 40625.

It is an arithmetic number, because the mean of its divisors is an integer number (21007860).

Almost surely, 2^210000122 is an apocalyptic number.

210000122 is a deficient number, since it is larger than the sum of its proper divisors (126125638).

210000122 is a wasteful number, since it uses less digits than its factorization.

210000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75797.

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

The square root of 210000122 is about 14491.3809555887. The cubic root of 210000122 is about 594.3923103808.

Adding to 210000122 its reverse (221000012), we get a palindrome (431000134).

It can be divided in two parts, 21000012 and 2, that multiplied together give a palindrome (42000024).

The spelling of 210000122 in words is "two hundred ten million, one hundred twenty-two", and thus it is an aban number.