700121111 has 2 divisors, whose sum is σ = 700121112. Its totient is φ = 700121110.

The previous prime is 700121083. The next prime is 700121117. The reversal of 700121111 is 111121007.

It is a strong prime.

It is an emirp because it is prime and its reverse (111121007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 700121111 - 2¹⁸ = 699858967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700121117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350060555 + 350060556.

It is an arithmetic number, because the mean of its divisors is an integer number (350060556).

Almost surely, 2^700121111 is an apocalyptic number.

700121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

700121111 is an equidigital number, since it uses as much as digits as its factorization.

700121111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 700121111 is about 26459.8017944202. The cubic root of 700121111 is about 887.9552059047.

Adding to 700121111 its reverse (111121007), we get a palindrome (811242118).

The spelling of 700121111 in words is "seven hundred million, one hundred twenty-one thousand, one hundred eleven".