13421042211043 has 4 divisors (see below), whose sum is σ = 13421049546960. Its totient is φ = 13421034875128.

The previous prime is 13421042211041. The next prime is 13421042211079. The reversal of 13421042211043 is 34011224012431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13421042211043 - 2¹ = 13421042211041 is a prime.

It is a super-2 number, since 2×13421042211043² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13421042211041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562013 + ... + 5411281.

It is an arithmetic number, because the mean of its divisors is an integer number (3355262386740).

Almost surely, 2^{13421042211043} is an apocalyptic number.

13421042211043 is a deficient number, since it is larger than the sum of its proper divisors (7335917).

13421042211043 is an equidigital number, since it uses as much as digits as its factorization.

13421042211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335916.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13421042211043 its reverse (34011224012431), we get a palindrome (47432266223474).

The spelling of 13421042211043 in words is "thirteen trillion, four hundred twenty-one billion, forty-two million, two hundred eleven thousand, forty-three".