10201211231 has 4 divisors (see below), whose sum is σ = 10368444264. Its totient is φ = 10033978200.

The previous prime is 10201211221. The next prime is 10201211243. The reversal of 10201211231 is 13211210201.

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 10201211231 - 2¹⁴ = 10201194847 is a prime.

It is a super-2 number, since 2×10201211231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201211221) 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 3 ways as a sum of consecutive naturals, for example, 83616425 + ... + 83616546.

It is an arithmetic number, because the mean of its divisors is an integer number (2592111066).

Almost surely, 2^10201211231 is an apocalyptic number.

10201211231 is a deficient number, since it is larger than the sum of its proper divisors (167233033).

10201211231 is an equidigital number, since it uses as much as digits as its factorization.

10201211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167233032.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10201211231 its reverse (13211210201), we get a palindrome (23412421432).

The spelling of 10201211231 in words is "ten billion, two hundred one million, two hundred eleven thousand, two hundred thirty-one".