2100011020211 has 4 divisors (see below), whose sum is σ = 2261550329472. Its totient is φ = 1938471710952.

The previous prime is 2100011020199. The next prime is 2100011020223. The reversal of 2100011020211 is 1120201100012.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2100011020199) and next prime (2100011020223).

It is a cyclic number.

It is not a de Polignac number, because 2100011020211 - 2⁶ = 2100011020147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100011020192 and 2100011020201.

It is not an unprimeable number, because it can be changed into a prime (2100011020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80769654611 + ... + 80769654636.

It is an arithmetic number, because the mean of its divisors is an integer number (565387582368).

Almost surely, 2^{2100011020211} is an apocalyptic number.

2100011020211 is a deficient number, since it is larger than the sum of its proper divisors (161539309261).

2100011020211 is a wasteful number, since it uses less digits than its factorization.

2100011020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161539309260.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100011020211 its reverse (1120201100012), we get a palindrome (3220212120223).

The spelling of 2100011020211 in words is "two trillion, one hundred billion, eleven million, twenty thousand, two hundred eleven".