122102210 has 8 divisors (see below), whose sum is σ = 219783996. Its totient is φ = 48840880.

The previous prime is 122102203. The next prime is 122102231. The reversal of 122102210 is 12201221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116143729 + 5958481 = 10777^2 + 2441^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122102191 and 122102200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105101 + ... + 6105120.

Almost surely, 2^122102210 is an apocalyptic number.

122102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122102210 is a deficient number, since it is larger than the sum of its proper divisors (97681786).

122102210 is a wasteful number, since it uses less digits than its factorization.

122102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210228.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122102210 is about 11049.9868778203. The cubic root of 122102210 is about 496.1060327639.

Adding to 122102210 its reverse (12201221), we get a palindrome (134303431).

The spelling of 122102210 in words is "one hundred twenty-two million, one hundred two thousand, two hundred ten".