2115020212011 has 12 divisors (see below), whose sum is σ = 3491461937392. Its totient is φ = 1208582978256.

The previous prime is 2115020212009. The next prime is 2115020212069. The reversal of 2115020212011 is 1102120205112.

2115020212011 is a `hidden beast` number, since 211 + 50 + 202 + 1 + 201 + 1 = 666.

It is not a de Polignac number, because 2115020212011 - 2¹ = 2115020212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115020212511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16785874636 + ... + 16785874761.

Almost surely, 2^{2115020212011} is an apocalyptic number.

2115020212011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2115020212011 is a deficient number, since it is larger than the sum of its proper divisors (1376441725381).

2115020212011 is a wasteful number, since it uses less digits than its factorization.

2115020212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33571749410 (or 33571749407 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 2115020212011 its reverse (1102120205112), we get a palindrome (3217140417123).

The spelling of 2115020212011 in words is "two trillion, one hundred fifteen billion, twenty million, two hundred twelve thousand, eleven".