10211430021 has 32 divisors (see below), whose sum is σ = 14764256640. Its totient is φ = 6240539904.

The previous prime is 10211429999. The next prime is 10211430049. The reversal of 10211430021 is 12003411201.

It is not a de Polignac number, because 10211430021 - 2⁵ = 10211429989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211437021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3620950 + ... + 3623768.

It is an arithmetic number, because the mean of its divisors is an integer number (461383020).

Almost surely, 2^10211430021 is an apocalyptic number.

It is an amenable number.

10211430021 is a deficient number, since it is larger than the sum of its proper divisors (4552826619).

10211430021 is a wasteful number, since it uses less digits than its factorization.

10211430021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10211430021 its reverse (12003411201), we get a palindrome (22214841222).

The spelling of 10211430021 in words is "ten billion, two hundred eleven million, four hundred thirty thousand, twenty-one".