10421211043 has 4 divisors (see below), whose sum is σ = 10421483400. Its totient is φ = 10420938688.

The previous prime is 10421211023. The next prime is 10421211071. The reversal of 10421211043 is 34011212401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34011212401 = 17 ⋅2000659553.

It is a cyclic number.

It is not a de Polignac number, because 10421211043 - 2⁵ = 10421211011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10421211043.

It is not an unprimeable number, because it can be changed into a prime (10421211023) 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, 67105 + ... + 159202.

It is an arithmetic number, because the mean of its divisors is an integer number (2605370850).

Almost surely, 2^10421211043 is an apocalyptic number.

10421211043 is a deficient number, since it is larger than the sum of its proper divisors (272357).

10421211043 is an equidigital number, since it uses as much as digits as its factorization.

10421211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272356.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10421211043 its reverse (34011212401), we get a palindrome (44432423444).

The spelling of 10421211043 in words is "ten billion, four hundred twenty-one million, two hundred eleven thousand, forty-three".