10211334440421 has 32 divisors (see below), whose sum is σ = 14962375296000. Its totient is φ = 6165742353408.

The previous prime is 10211334440401. The next prime is 10211334440431. The reversal of 10211334440421 is 12404443311201.

It is a happy number.

It is not a de Polignac number, because 10211334440421 - 2⁵ = 10211334440389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211334440401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626565 + ... + 4562373.

It is an arithmetic number, because the mean of its divisors is an integer number (467574228000).

Almost surely, 2^{10211334440421} is an apocalyptic number.

It is an amenable number.

10211334440421 is a deficient number, since it is larger than the sum of its proper divisors (4751040855579).

10211334440421 is a wasteful number, since it uses less digits than its factorization.

10211334440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937833.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 10211334440421 its reverse (12404443311201), we get a palindrome (22615777751622).

The spelling of 10211334440421 in words is "ten trillion, two hundred eleven billion, three hundred thirty-four million, four hundred forty thousand, four hundred twenty-one".