21030213001126 has 16 divisors (see below), whose sum is σ = 36260185591584. Its totient is φ = 8960850460224.

The previous prime is 21030213001013. The next prime is 21030213001139. The reversal of 21030213001126 is 62110031203012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21030213001097 and 21030213001106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341494895 + ... + 4341499738.

It is an arithmetic number, because the mean of its divisors is an integer number (2266261599474).

Almost surely, 2^{21030213001126} is an apocalyptic number.

21030213001126 is a deficient number, since it is larger than the sum of its proper divisors (15229972590458).

21030213001126 is a wasteful number, since it uses less digits than its factorization.

21030213001126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8682994815.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21030213001126 its reverse (62110031203012), we get a palindrome (83140244204138).

The spelling of 21030213001126 in words is "twenty-one trillion, thirty billion, two hundred thirteen million, one thousand, one hundred twenty-six".