2115020212005 has 16 divisors (see below), whose sum is σ = 3422055176640. Its totient is φ = 1115336500608.

The previous prime is 2115020211991. The next prime is 2115020212009. The reversal of 2115020212005 is 5002120205112.

It is not a de Polignac number, because 2115020212005 - 2⁵ = 2115020211973 is a prime.

It is a super-2 number, since 2×2115020212005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115020212009) 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, 792141067 + ... + 792143736.

It is an arithmetic number, because the mean of its divisors is an integer number (213878448540).

Almost surely, 2^{2115020212005} is an apocalyptic number.

It is an amenable number.

2115020212005 is a deficient number, since it is larger than the sum of its proper divisors (1307034964635).

2115020212005 is a wasteful number, since it uses less digits than its factorization.

2115020212005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584284900.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 2115020212005 its reverse (5002120205112), we get a palindrome (7117140417117).

The spelling of 2115020212005 in words is "two trillion, one hundred fifteen billion, twenty million, two hundred twelve thousand, five".