121600507211 has 2 divisors, whose sum is σ = 121600507212. Its totient is φ = 121600507210.

The previous prime is 121600507207. The next prime is 121600507241. The reversal of 121600507211 is 112705006121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121600507211 - 2² = 121600507207 is a prime.

It is not a weakly prime, because it can be changed into another prime (121600507241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60800253605 + 60800253606.

It is an arithmetic number, because the mean of its divisors is an integer number (60800253606).

Almost surely, 2^121600507211 is an apocalyptic number.

121600507211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121600507211 is an equidigital number, since it uses as much as digits as its factorization.

121600507211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 121600507211 in words is "one hundred twenty-one billion, six hundred million, five hundred seven thousand, two hundred eleven".