210210100100 has 144 divisors (see below), whose sum is σ = 612461383296. Its totient is φ = 60480000000.

The previous prime is 210210100073. The next prime is 210210100103. The reversal of 210210100100 is 1001012012.

It is not an unprimeable number, because it can be changed into a prime (210210100103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 949901 + ... + 1150100.

Almost surely, 2^210210100100 is an apocalyptic number.

210210100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210100100 is an abundant number, since it is smaller than the sum of its proper divisors (402251283196).

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

210210100100 is a wasteful number, since it uses less digits than its factorization.

210210100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100046 (or 2100039 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 210210100100 its reverse (1001012012), we get a palindrome (211211112112).

The spelling of 210210100100 in words is "two hundred ten billion, two hundred ten million, one hundred thousand, one hundred".