210211021100 has 72 divisors (see below), whose sum is σ = 476469608160. Its totient is φ = 80396628480.

The previous prime is 210211021091. The next prime is 210211021121. The reversal of 210211021100 is 1120112012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53177 + ... + 650576.

Almost surely, 2^210211021100 is an apocalyptic number.

210211021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211021100 is an abundant number, since it is smaller than the sum of its proper divisors (266258587060).

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

210211021100 is a wasteful number, since it uses less digits than its factorization.

210211021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703899 (or 703892 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210211021100 its reverse (1120112012), we get a palindrome (211331133112).

The spelling of 210211021100 in words is "two hundred ten billion, two hundred eleven million, twenty-one thousand, one hundred".