210120221200011 has 16 divisors (see below), whose sum is σ = 280802195856000. Its totient is φ = 139759286720768.

The previous prime is 210120221200007. The next prime is 210120221200027. The reversal of 210120221200011 is 110002122021012.

It is a cyclic number.

It is not a de Polignac number, because 210120221200011 - 2² = 210120221200007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210120221200411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1839561 + ... + 20582138.

It is an arithmetic number, because the mean of its divisors is an integer number (17550137241000).

Almost surely, 2^{210120221200011} is an apocalyptic number.

210120221200011 is a deficient number, since it is larger than the sum of its proper divisors (70681974655989).

210120221200011 is a wasteful number, since it uses less digits than its factorization.

210120221200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22428858.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210120221200011 its reverse (110002122021012), we get a palindrome (320122343221023).

The spelling of 210120221200011 in words is "two hundred ten trillion, one hundred twenty billion, two hundred twenty-one million, two hundred thousand, eleven".