10431144220111 has 4 divisors (see below), whose sum is σ = 10431161722224. Its totient is φ = 10431126718000.

The previous prime is 10431144220109. The next prime is 10431144220141. The reversal of 10431144220111 is 11102244113401.

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 10431144220111 - 2¹ = 10431144220109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431144220141) 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, 7824355 + ... + 9059956.

It is an arithmetic number, because the mean of its divisors is an integer number (2607790430556).

Almost surely, 2^{10431144220111} is an apocalyptic number.

10431144220111 is a deficient number, since it is larger than the sum of its proper divisors (17502113).

10431144220111 is an equidigital number, since it uses as much as digits as its factorization.

10431144220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502112.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 10431144220111 its reverse (11102244113401), we get a palindrome (21533388333512).

The spelling of 10431144220111 in words is "ten trillion, four hundred thirty-one billion, one hundred forty-four million, two hundred twenty thousand, one hundred eleven".