700000121121 has 16 divisors (see below), whose sum is σ = 1129411960704. Its totient is φ = 376470653184.

The previous prime is 700000121083. The next prime is 700000121129. The reversal of 700000121121 is 121121000007.

It is not a de Polignac number, because 700000121121 - 2⁶ = 700000121057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 700000121121.

It is not an unprimeable number, because it can be changed into a prime (700000121129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980391970 + ... + 980392683.

It is an arithmetic number, because the mean of its divisors is an integer number (70588247544).

Almost surely, 2^700000121121 is an apocalyptic number.

It is an amenable number.

700000121121 is a deficient number, since it is larger than the sum of its proper divisors (429411839583).

700000121121 is a wasteful number, since it uses less digits than its factorization.

700000121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960784680.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 700000121121 its reverse (121121000007), we get a palindrome (821121121128).

It can be divided in two parts, 700000 and 121121, that added together give a triangular number (821121 = T₁₂₈₁).

The spelling of 700000121121 in words is "seven hundred billion, one hundred twenty-one thousand, one hundred twenty-one".