700100121121 has 4 divisors (see below), whose sum is σ = 700447222852. Its totient is φ = 699753019392.

The previous prime is 700100121103. The next prime is 700100121131. The reversal of 700100121121 is 121121001007.

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 452708282896 + 247391838225 = 672836^2 + 497385^2 .

It is a cyclic number.

It is not a de Polignac number, because 700100121121 - 2⁵ = 700100121089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 700100121095 and 700100121104.

It is not an unprimeable number, because it can be changed into a prime (700100121131) 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, 173547840 + ... + 173551873.

It is an arithmetic number, because the mean of its divisors is an integer number (175111805713).

Almost surely, 2^700100121121 is an apocalyptic number.

It is an amenable number.

700100121121 is a deficient number, since it is larger than the sum of its proper divisors (347101731).

700100121121 is a wasteful number, since it uses less digits than its factorization.

700100121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347101730.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 700100121121 its reverse (121121001007), we get a palindrome (821221122128).

The spelling of 700100121121 in words is "seven hundred billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-one".