210001011201000 has 96 divisors (see below), whose sum is σ = 709803417889800. Its totient is φ = 56000269651200.

The previous prime is 210001011200891. The next prime is 210001011201029. The reversal of 210001011201000 is 102110100012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113603920688196 + 96397090512804 = 10658514^2 + 9818202^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11666713845 + ... + 11666731844.

Almost surely, 2^{210001011201000} is an apocalyptic number.

210001011201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001011201000 is an abundant number, since it is smaller than the sum of its proper divisors (499802406688800).

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

210001011201000 is a wasteful number, since it uses less digits than its factorization.

210001011201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23333445716 (or 23333445699 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210001011201000 its reverse (102110100012), we get a palindrome (210103121301012).

The spelling of 210001011201000 in words is "two hundred ten trillion, one billion, eleven million, two hundred one thousand".