2100221200011 has 8 divisors (see below), whose sum is σ = 3054867200064. Its totient is φ = 1272861333320.

The previous prime is 2100221199949. The next prime is 2100221200073. The reversal of 2100221200011 is 1100021220012.

It is an interprime number because it is at equal distance from previous prime (2100221199949) and next prime (2100221200073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100221200011 - 2¹⁰ = 2100221198987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100221200011.

It is not an unprimeable number, because it can be changed into a prime (2100221200211) 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 in 7 ways as a sum of consecutive naturals, for example, 31821533301 + ... + 31821533366.

It is an arithmetic number, because the mean of its divisors is an integer number (381858400008).

Almost surely, 2^{2100221200011} is an apocalyptic number.

2100221200011 is a deficient number, since it is larger than the sum of its proper divisors (954646000053).

2100221200011 is a wasteful number, since it uses less digits than its factorization.

2100221200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63643066681.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100221200011 its reverse (1100021220012), we get a palindrome (3200242420023).

The spelling of 2100221200011 in words is "two trillion, one hundred billion, two hundred twenty-one million, two hundred thousand, eleven".