4351121101243 has 16 divisors (see below), whose sum is σ = 5047180646400. Its totient is φ = 3674050380000.

The previous prime is 4351121101213. The next prime is 4351121101273. The reversal of 4351121101243 is 3421011211534.

It is an interprime number because it is at equal distance from previous prime (4351121101213) and next prime (4351121101273).

It is a de Polignac number, because none of the positive numbers 2^k-4351121101243 is a prime.

It is a super-2 number, since 2×4351121101243² (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 (4351121101213) 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, 15322483 + ... + 15603868.

It is an arithmetic number, because the mean of its divisors is an integer number (315448790400).

Almost surely, 2^{4351121101243} is an apocalyptic number.

4351121101243 is a deficient number, since it is larger than the sum of its proper divisors (696059545157).

4351121101243 is a wasteful number, since it uses less digits than its factorization.

4351121101243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30926658.

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

Adding to 4351121101243 its reverse (3421011211534), we get a palindrome (7772132312777).

The spelling of 4351121101243 in words is "four trillion, three hundred fifty-one billion, one hundred twenty-one million, one hundred one thousand, two hundred forty-three".