100202120210 has 16 divisors (see below), whose sum is σ = 181298347416. Its totient is φ = 39873174528.

The previous prime is 100202120209. The next prime is 100202120233. The reversal of 100202120210 is 12021202001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46355381809 + 53846738401 = 215303^2 + 232049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100202120191 and 100202120200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25957169 + ... + 25961028.

Almost surely, 2^100202120210 is an apocalyptic number.

100202120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100202120210 is a deficient number, since it is larger than the sum of its proper divisors (81096227206).

100202120210 is a wasteful number, since it uses less digits than its factorization.

100202120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51918397.

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

Adding to 100202120210 its reverse (12021202001), we get a palindrome (112223322211).

The spelling of 100202120210 in words is "one hundred billion, two hundred two million, one hundred twenty thousand, two hundred ten".