2120011012011 has 4 divisors (see below), whose sum is σ = 2826681349352. Its totient is φ = 1413340674672.

The previous prime is 2120011011997. The next prime is 2120011012037. The reversal of 2120011012011 is 1102101100212.

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

It is not a de Polignac number, because 2120011012011 - 2³⁴ = 2102831142827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120011012811) 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, 353335168666 + ... + 353335168671.

It is an arithmetic number, because the mean of its divisors is an integer number (706670337338).

Almost surely, 2^{2120011012011} is an apocalyptic number.

2120011012011 is a deficient number, since it is larger than the sum of its proper divisors (706670337341).

2120011012011 is an equidigital number, since it uses as much as digits as its factorization.

2120011012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706670337340.

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

Adding to 2120011012011 its reverse (1102101100212), we get a palindrome (3222112112223).

The spelling of 2120011012011 in words is "two trillion, one hundred twenty billion, eleven million, twelve thousand, eleven".