116670512121 has 4 divisors (see below), whose sum is σ = 155560682832. Its totient is φ = 77780341412.

The previous prime is 116670512069. The next prime is 116670512183. The reversal of 116670512121 is 121215076611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121215076611 = 3 ⋅40405025537.

It is a cyclic number.

It is not a de Polignac number, because 116670512121 - 2¹⁵ = 116670479353 is a prime.

It is a super-2 number, since 2×116670512121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116670512191) 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, 19445085351 + ... + 19445085356.

It is an arithmetic number, because the mean of its divisors is an integer number (38890170708).

Almost surely, 2^116670512121 is an apocalyptic number.

It is an amenable number.

116670512121 is a deficient number, since it is larger than the sum of its proper divisors (38890170711).

116670512121 is an equidigital number, since it uses as much as digits as its factorization.

116670512121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38890170710.

The product of its (nonzero) digits is 5040, while the sum is 33.

Adding to 116670512121 its reverse (121215076611), we get a palindrome (237885588732).

The spelling of 116670512121 in words is "one hundred sixteen billion, six hundred seventy million, five hundred twelve thousand, one hundred twenty-one".