100100203210 has 24 divisors (see below), whose sum is σ = 209597569380. Its totient is φ = 34320069504.

The previous prime is 100100203201. The next prime is 100100203219. The reversal of 100100203210 is 12302001001.

It is an interprime number because it is at equal distance from previous prime (100100203201) and next prime (100100203219).

It can be written as a sum of positive squares in 2 ways, for example, as 80407974969 + 19692228241 = 283563^2 + 140329^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100100203219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102142575 + ... + 102143554.

Almost surely, 2^100100203210 is an apocalyptic number.

100100203210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100100203210 is an abundant number, since it is smaller than the sum of its proper divisors (109497366170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100100203210 is a wasteful number, since it uses less digits than its factorization.

100100203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204286150 (or 204286143 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100100203210 its reverse (12302001001), we get a palindrome (112402204211).

The spelling of 100100203210 in words is "one hundred billion, one hundred million, two hundred three thousand, two hundred ten".