100210122 has 20 divisors (see below), whose sum is σ = 224545266.
Its totient is φ = 33403320.
The previous prime is 100210069. The next prime is 100210147. The reversal of 100210122 is 221012001.
Adding to 100210122 its reverse (221012001), we get a palindrome (321222123).
It can be written as a sum of positive squares in only one way, i.e., 66928761 + 33281361 = 8181^2 + 5769^2
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 309129 + ... + 309452.
Almost surely, 2100210122 is an apocalyptic number.
100210122 is an abundant number, since it is smaller than the sum of its proper divisors (124335144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100210122 is an equidigital number, since it uses as much as digits as its factorization.
100210122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 618595 (or 618586 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 100210122 is about 10010.5005868838.
The cubic root of 100210122 is about 464.4837559008.
The spelling of 100210122 in words is "one hundred million, two hundred ten thousand, one hundred twenty-two".