2100221201211 has 8 divisors (see below), whose sum is σ = 3200337068544. Its totient is φ = 1200126400680.

The previous prime is 2100221201207. The next prime is 2100221201213. The reversal of 2100221201211 is 1121021220012.

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

It is not a de Polignac number, because 2100221201211 - 2² = 2100221201207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100221201213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50005266675 + ... + 50005266716.

It is an arithmetic number, because the mean of its divisors is an integer number (400042133568).

Almost surely, 2^{2100221201211} is an apocalyptic number.

2100221201211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2100221201211 is a deficient number, since it is larger than the sum of its proper divisors (1100115867333).

2100221201211 is a wasteful number, since it uses less digits than its factorization.

2100221201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100010533401.

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

Adding to 2100221201211 its reverse (1121021220012), we get a palindrome (3221242421223).

The spelling of 2100221201211 in words is "two trillion, one hundred billion, two hundred twenty-one million, two hundred one thousand, two hundred eleven".