210011210000 has 50 divisors (see below), whose sum is σ = 508458164742. Its totient is φ = 84004480000.

The previous prime is 210011209997. The next prime is 210011210051. The reversal of 210011210000 is 12110012.

It can be written as a sum of positive squares in 5 ways, for example, as 64233861136 + 145777348864 = 253444^2 + 381808^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 210011210000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10490561 + ... + 10510560.

Almost surely, 2^210011210000 is an apocalyptic number.

210011210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011210000 is an abundant number, since it is smaller than the sum of its proper divisors (298446954742).

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

210011210000 is an equidigital number, since it uses as much as digits as its factorization.

210011210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21001149 (or 21001128 counting only the distinct ones).

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

Adding to 210011210000 its reverse (12110012), we get a palindrome (210023320012).

It can be divided in two parts, 2100112 and 10000, that added together give a palindrome (2110112).

The spelling of 210011210000 in words is "two hundred ten billion, eleven million, two hundred ten thousand".