100211210209 has 16 divisors (see below), whose sum is σ = 110985114240. Its totient is φ = 89724620160.

The previous prime is 100211210171. The next prime is 100211210227. The reversal of 100211210209 is 902012112001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100211210209 - 2¹¹ = 100211208161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100211214209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50004 + ... + 450469.

It is an arithmetic number, because the mean of its divisors is an integer number (6936569640).

Almost surely, 2^100211210209 is an apocalyptic number.

It is an amenable number.

100211210209 is a deficient number, since it is larger than the sum of its proper divisors (10773904031).

100211210209 is a wasteful number, since it uses less digits than its factorization.

100211210209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500760.

The product of its (nonzero) digits is 72, while the sum is 19.

It can be divided in two parts, 1002 and 11210209, that added together give a palindrome (11211211).

The spelling of 100211210209 in words is "one hundred billion, two hundred eleven million, two hundred ten thousand, two hundred nine".