2100020211011 has 2 divisors, whose sum is σ = 2100020211012. Its totient is φ = 2100020211010.

The previous prime is 2100020211001. The next prime is 2100020211019. The reversal of 2100020211011 is 1101120200012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100020211011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100020210983 and 2100020211001.

It is not a weakly prime, because it can be changed into another prime (2100020211019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050010105505 + 1050010105506.

It is an arithmetic number, because the mean of its divisors is an integer number (1050010105506).

Almost surely, 2^{2100020211011} is an apocalyptic number.

2100020211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100020211011 is an equidigital number, since it uses as much as digits as its factorization.

2100020211011 is an evil number, because the sum of its binary digits is even.

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

Adding to 2100020211011 its reverse (1101120200012), we get a palindrome (3201140411023).

The spelling of 2100020211011 in words is "two trillion, one hundred billion, twenty million, two hundred eleven thousand, eleven".