2100211011011 has 4 divisors (see below), whose sum is σ = 2100275010312. Its totient is φ = 2100147011712.

The previous prime is 2100211010993. The next prime is 2100211011049. The reversal of 2100211011011 is 1101101120012.

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 2100211011011 - 2²⁶ = 2100143902147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100211010983 and 2100211011001.

It is not an unprimeable number, because it can be changed into a prime (2100211016011) 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, 31950401 + ... + 32016066.

It is an arithmetic number, because the mean of its divisors is an integer number (525068752578).

Almost surely, 2^{2100211011011} is an apocalyptic number.

2100211011011 is a deficient number, since it is larger than the sum of its proper divisors (63999301).

2100211011011 is an equidigital number, since it uses as much as digits as its factorization.

2100211011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63999300.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2100211011011 its reverse (1101101120012), we get a palindrome (3201312131023).

The spelling of 2100211011011 in words is "two trillion, one hundred billion, two hundred eleven million, eleven thousand, eleven".