100100222210 has 16 divisors (see below), whose sum is σ = 180194484600. Its totient is φ = 40036958976.

The previous prime is 100100222197. The next prime is 100100222219. The reversal of 100100222210 is 12222001001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 91191316441 + 8908905769 = 301979^2 + 94387^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100100222191 and 100100222200.

It is not an unprimeable number, because it can be changed into a prime (100100222219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254645 + ... + 514824.

Almost surely, 2^100100222210 is an apocalyptic number.

100100222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100100222210 is a deficient number, since it is larger than the sum of its proper divisors (80094262390).

100100222210 is a wasteful number, since it uses less digits than its factorization.

100100222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782485.

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

Adding to 100100222210 its reverse (12222001001), we get a palindrome (112322223211).

The spelling of 100100222210 in words is "one hundred billion, one hundred million, two hundred twenty-two thousand, two hundred ten".