5105331342121 has 4 divisors (see below), whose sum is σ = 5281377250500. Its totient is φ = 4929285433744.

The previous prime is 5105331342101. The next prime is 5105331342131. The reversal of 5105331342121 is 1212431335015.

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 2863540840000 + 2241790502121 = 1692200^2 + 1497261^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105331342121 - 2¹⁷ = 5105331211049 is a prime.

It is a super-2 number, since 2×5105331342121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105331342101) 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, 88022954146 + ... + 88022954203.

It is an arithmetic number, because the mean of its divisors is an integer number (1320344312625).

Almost surely, 2^{5105331342121} is an apocalyptic number.

It is an amenable number.

5105331342121 is a deficient number, since it is larger than the sum of its proper divisors (176045908379).

5105331342121 is a wasteful number, since it uses less digits than its factorization.

5105331342121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176045908378.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 5105331342121 its reverse (1212431335015), we get a palindrome (6317762677136).

The spelling of 5105331342121 in words is "five trillion, one hundred five billion, three hundred thirty-one million, three hundred forty-two thousand, one hundred twenty-one".