11431004122111 has 16 divisors (see below), whose sum is σ = 13904896942080. Its totient is φ = 9173369473920.

The previous prime is 11431004122103. The next prime is 11431004122123. The reversal of 11431004122111 is 11122140013411.

It is a cyclic number.

It is not a de Polignac number, because 11431004122111 - 2³ = 11431004122103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431004122151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251440251 + ... + 251485708.

It is an arithmetic number, because the mean of its divisors is an integer number (869056058880).

Almost surely, 2^{11431004122111} is an apocalyptic number.

11431004122111 is a deficient number, since it is larger than the sum of its proper divisors (2473892819969).

11431004122111 is a wasteful number, since it uses less digits than its factorization.

11431004122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502926174.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 11431004122111 its reverse (11122140013411), we get a palindrome (22553144135522).

The spelling of 11431004122111 in words is "eleven trillion, four hundred thirty-one billion, four million, one hundred twenty-two thousand, one hundred eleven".