210000101021010 has 48 divisors (see below), whose sum is σ = 546001012903320. Its totient is φ = 55999949990400.

The previous prime is 210000101020987. The next prime is 210000101021023. The reversal of 210000101021010 is 10120101000012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 184969601724609 + 25030499296401 = 13600353^2 + 5003049^2 .

It is a super-2 number, since 2×210000101021010² (a number of 29 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 210000101020983 and 210000101021001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99458346 + ... + 101547834.

Almost surely, 2^{210000101021010} is an apocalyptic number.

210000101021010 is an abundant number, since it is smaller than the sum of its proper divisors (336000911882310).

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

210000101021010 is a wasteful number, since it uses less digits than its factorization.

210000101021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206203 (or 3206200 counting only the distinct ones).

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

Adding to 210000101021010 its reverse (10120101000012), we get a palindrome (220120202021022).

The spelling of 210000101021010 in words is "two hundred ten trillion, one hundred one million, twenty-one thousand, ten".