10211401243 has 4 divisors (see below), whose sum is σ = 10223045680. Its totient is φ = 10199756808.

The previous prime is 10211401231. The next prime is 10211401259. The reversal of 10211401243 is 34210411201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10211401243 - 2¹⁷ = 10211270171 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 10211401243.

It is not an unprimeable number, because it can be changed into a prime (10211701243) 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, 5820903 + ... + 5822656.

It is an arithmetic number, because the mean of its divisors is an integer number (2555761420).

Almost surely, 2^10211401243 is an apocalyptic number.

10211401243 is a deficient number, since it is larger than the sum of its proper divisors (11644437).

10211401243 is an equidigital number, since it uses as much as digits as its factorization.

10211401243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11644436.

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

Adding to 10211401243 its reverse (34210411201), we get a palindrome (44421812444).

The spelling of 10211401243 in words is "ten billion, two hundred eleven million, four hundred one thousand, two hundred forty-three".