21010202201030 has 32 divisors (see below), whose sum is σ = 44711366264640. Its totient is φ = 6955101417600.

The previous prime is 21010202201011. The next prime is 21010202201039. The reversal of 21010202201030 is 3010220201012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 21010202200996 and 21010202201014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010202201039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5174924621 + ... + 5174928680.

It is an arithmetic number, because the mean of its divisors is an integer number (1397230195770).

Almost surely, 2^{21010202201030} is an apocalyptic number.

21010202201030 is an abundant number, since it is smaller than the sum of its proper divisors (23701164063610).

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

21010202201030 is a wasteful number, since it uses less digits than its factorization.

21010202201030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10349853344.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21010202201030 its reverse (3010220201012), we get a palindrome (24020422402042).

The spelling of 21010202201030 in words is "twenty-one trillion, ten billion, two hundred two million, two hundred one thousand, thirty".