210111121201 has 16 divisors (see below), whose sum is σ = 215524450624. Its totient is φ = 204773059584.

The previous prime is 210111121183. The next prime is 210111121219. The reversal of 210111121201 is 102121111012.

It is a happy number.

210111121201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210111121183) and next prime (210111121219).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210111121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210111121301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4530010 + ... + 4576156.

It is an arithmetic number, because the mean of its divisors is an integer number (13470278164).

Almost surely, 2^210111121201 is an apocalyptic number.

It is an amenable number.

210111121201 is a deficient number, since it is larger than the sum of its proper divisors (5413329423).

210111121201 is an equidigital number, since it uses as much as digits as its factorization.

210111121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46960.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210111121201 its reverse (102121111012), we get a palindrome (312232232213).

The spelling of 210111121201 in words is "two hundred ten billion, one hundred eleven million, one hundred twenty-one thousand, two hundred one".