4121131522231 has 4 divisors (see below), whose sum is σ = 4121151930112. Its totient is φ = 4121111114352.

The previous prime is 4121131522217. The next prime is 4121131522247. The reversal of 4121131522231 is 1322251311214.

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 4121131522231 - 2¹³ = 4121131514039 is a prime.

It is a super-2 number, since 2×4121131522231² (a number of 26 digits) contains 22 as substring.

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 4121131522231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121131522201) 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, 9897975 + ... + 10305928.

It is an arithmetic number, because the mean of its divisors is an integer number (1030287982528).

Almost surely, 2^{4121131522231} is an apocalyptic number.

4121131522231 is a deficient number, since it is larger than the sum of its proper divisors (20407881).

4121131522231 is a wasteful number, since it uses less digits than its factorization.

4121131522231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20407880.

The product of its digits is 2880, while the sum is 28.

Adding to 4121131522231 its reverse (1322251311214), we get a palindrome (5443382833445).

The spelling of 4121131522231 in words is "four trillion, one hundred twenty-one billion, one hundred thirty-one million, five hundred twenty-two thousand, two hundred thirty-one".