43203116121 has 16 divisors (see below), whose sum is σ = 62858071488. Its totient is φ = 26176550400.

The previous prime is 43203116113. The next prime is 43203116129. The reversal of 43203116121 is 12161130234.

It is a happy number.

43203116121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43203116113) and next prime (43203116129).

It is not a de Polignac number, because 43203116121 - 2³ = 43203116113 is a prime.

It is a super-2 number, since 2×43203116121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43203116091 and 43203116100.

It is not an unprimeable number, because it can be changed into a prime (43203116129) 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, 55060 + ... + 299061.

It is an arithmetic number, because the mean of its divisors is an integer number (3928629468).

Almost surely, 2^43203116121 is an apocalyptic number.

It is an amenable number.

43203116121 is a deficient number, since it is larger than the sum of its proper divisors (19654955367).

43203116121 is a wasteful number, since it uses less digits than its factorization.

43203116121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357832.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 43203116121 its reverse (12161130234), we get a palindrome (55364246355).

The spelling of 43203116121 in words is "forty-three billion, two hundred three million, one hundred sixteen thousand, one hundred twenty-one".