21001130002230 has 96 divisors (see below), whose sum is σ = 58595973053184. Its totient is φ = 4718897812032.

The previous prime is 21001130002199. The next prime is 21001130002247. The reversal of 21001130002230 is 3220003110012.

It is a super-2 number, since 2×21001130002230² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 13633452 + ... + 15095471.

It is an arithmetic number, because the mean of its divisors is an integer number (610374719304).

Almost surely, 2^{21001130002230} is an apocalyptic number.

21001130002230 is an abundant number, since it is smaller than the sum of its proper divisors (37594843050954).

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

21001130002230 is a wasteful number, since it uses less digits than its factorization.

21001130002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28729058 (or 28728999 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21001130002230 its reverse (3220003110012), we get a palindrome (24221133112242).

The spelling of 21001130002230 in words is "twenty-one trillion, one billion, one hundred thirty million, two thousand, two hundred thirty".