210002122 has 64 divisors (see below), whose sum is σ = 383201280. Its totient is φ = 85190400.

The previous prime is 210002119. The next prime is 210002141. The reversal of 210002122 is 221200012.

It is a junction number, because it is equal to n+sod(n) for n = 210002099 and 210002108.

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, 683893 + ... + 684199.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^210002122 is an apocalyptic number.

210002122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210002122 is a deficient number, since it is larger than the sum of its proper divisors (173199158).

210002122 is a wasteful number, since it uses less digits than its factorization.

210002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 210002122 is about 14491.4499619603. The cubic root of 210002122 is about 594.3941973334.

Adding to 210002122 its reverse (221200012), we get a palindrome (431202134).

The spelling of 210002122 in words is "two hundred ten million, two thousand, one hundred twenty-two".