10000210110021 has 16 divisors (see below), whose sum is σ = 14885339965120. Its totient is φ = 6635210495760.

The previous prime is 10000210110001. The next prime is 10000210110203. The reversal of 10000210110021 is 12001101200001.

It is a happy number.

It is not a de Polignac number, because 10000210110021 - 2¹¹ = 10000210107973 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000210109985 and 10000210110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000210110001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877667650 + ... + 877679043.

It is an arithmetic number, because the mean of its divisors is an integer number (930333747820).

Almost surely, 2^{10000210110021} is an apocalyptic number.

It is an amenable number.

10000210110021 is a deficient number, since it is larger than the sum of its proper divisors (4885129855099).

10000210110021 is a wasteful number, since it uses less digits than its factorization.

10000210110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755346913 (or 1755346907 counting only the distinct ones).

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

Adding to 10000210110021 its reverse (12001101200001), we get a palindrome (22001311310022).

The spelling of 10000210110021 in words is "ten trillion, two hundred ten million, one hundred ten thousand, twenty-one".