2100220021211 has 8 divisors (see below), whose sum is σ = 2262261144864. Its totient is φ = 1938248288640.

The previous prime is 2100220021199. The next prime is 2100220021243. The reversal of 2100220021211 is 1121200220012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100220021211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100220021811) 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, 17284895 + ... + 17405976.

It is an arithmetic number, because the mean of its divisors is an integer number (282782643108).

Almost surely, 2^{2100220021211} is an apocalyptic number.

2100220021211 is a deficient number, since it is larger than the sum of its proper divisors (162041123653).

2100220021211 is a wasteful number, since it uses less digits than its factorization.

2100220021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34695541.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100220021211 its reverse (1121200220012), we get a palindrome (3221420241223).

The spelling of 2100220021211 in words is "two trillion, one hundred billion, two hundred twenty million, twenty-one thousand, two hundred eleven".