101222210 has 8 divisors (see below), whose sum is σ = 182199996. Its totient is φ = 40488880.

The previous prime is 101222201. The next prime is 101222213. The reversal of 101222210 is 12222101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101143249 + 78961 = 10057^2 + 281^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 101222191 and 101222200.

It is not an unprimeable number, because it can be changed into a prime (101222213) 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, 5061101 + ... + 5061120.

Almost surely, 2^101222210 is an apocalyptic number.

101222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101222210 is a deficient number, since it is larger than the sum of its proper divisors (80977786).

101222210 is a wasteful number, since it uses less digits than its factorization.

101222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122228.

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

The square root of 101222210 is about 10060.9249077806. The cubic root of 101222210 is about 466.0422300201.

Adding to 101222210 its reverse (12222101), we get a palindrome (113444311).

The spelling of 101222210 in words is "one hundred one million, two hundred twenty-two thousand, two hundred ten".