11300431042121 has 4 divisors (see below), whose sum is σ = 12169694968452. Its totient is φ = 10431167115792.

The previous prime is 11300431042111. The next prime is 11300431042133. The reversal of 11300431042121 is 12124013400311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7429925672521 + 3870505369600 = 2725789^2 + 1967360^2 .

It is a cyclic number.

It is not a de Polignac number, because 11300431042121 - 2²² = 11300426847817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11300431042111) 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, 434631963146 + ... + 434631963171.

It is an arithmetic number, because the mean of its divisors is an integer number (3042423742113).

Almost surely, 2^{11300431042121} is an apocalyptic number.

It is an amenable number.

11300431042121 is a deficient number, since it is larger than the sum of its proper divisors (869263926331).

11300431042121 is an equidigital number, since it uses as much as digits as its factorization.

11300431042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869263926330.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11300431042121 its reverse (12124013400311), we get a palindrome (23424444442432).

The spelling of 11300431042121 in words is "eleven trillion, three hundred billion, four hundred thirty-one million, forty-two thousand, one hundred twenty-one".