2101102120011 has 16 divisors (see below), whose sum is σ = 2891704894848. Its totient is φ = 1356138638400.

The previous prime is 2101102119997. The next prime is 2101102120049. The reversal of 2101102120011 is 1100212011012.

It is not a de Polignac number, because 2101102120011 - 2⁶ = 2101102119947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101102120081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65182861 + ... + 65215086.

It is an arithmetic number, because the mean of its divisors is an integer number (180731555928).

Almost surely, 2^{2101102120011} is an apocalyptic number.

2101102120011 is a deficient number, since it is larger than the sum of its proper divisors (790602774837).

2101102120011 is a wasteful number, since it uses less digits than its factorization.

2101102120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130398122.

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

Adding to 2101102120011 its reverse (1100212011012), we get a palindrome (3201314131023).

The spelling of 2101102120011 in words is "two trillion, one hundred one billion, one hundred two million, one hundred twenty thousand, eleven".