2101001002211 has 4 divisors (see below), whose sum is σ = 2107844653992. Its totient is φ = 2094157350432.

The previous prime is 2101001002193. The next prime is 2101001002237. The reversal of 2101001002211 is 1122001001012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101001002211 - 2²⁶ = 2100933893347 is a prime.

It is a super-2 number, since 2×2101001002211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101001002192 and 2101001002201.

It is not an unprimeable number, because it can be changed into a prime (2101001002291) 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 3 ways as a sum of consecutive naturals, for example, 3421825430 + ... + 3421826043.

It is an arithmetic number, because the mean of its divisors is an integer number (526961163498).

Almost surely, 2^{2101001002211} is an apocalyptic number.

2101001002211 is a deficient number, since it is larger than the sum of its proper divisors (6843651781).

2101001002211 is an equidigital number, since it uses as much as digits as its factorization.

2101001002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843651780.

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

Adding to 2101001002211 its reverse (1122001001012), we get a palindrome (3223002003223).

The spelling of 2101001002211 in words is "two trillion, one hundred one billion, one million, two thousand, two hundred eleven".