2101020211011 has 8 divisors (see below), whose sum is σ = 2801676390400. Its totient is φ = 1400522086152.

The previous prime is 2101020211001. The next prime is 2101020211051. The reversal of 2101020211011 is 1101120201012.

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

It is not a de Polignac number, because 2101020211011 - 2³⁸ = 1826142304067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101020211001) 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, 39482611 + ... + 39535788.

It is an arithmetic number, because the mean of its divisors is an integer number (350209548800).

Almost surely, 2^{2101020211011} is an apocalyptic number.

2101020211011 is a deficient number, since it is larger than the sum of its proper divisors (700656179389).

2101020211011 is an equidigital number, since it uses as much as digits as its factorization.

2101020211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79027265.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101020211011 its reverse (1101120201012), we get a palindrome (3202140412023).

Subtracting from 2101020211011 its reverse (1101120201012), we obtain a palindrome (999900009999).

The spelling of 2101020211011 in words is "two trillion, one hundred one billion, twenty million, two hundred eleven thousand, eleven".