2141111512 has 32 divisors (see below), whose sum is σ = 4354423920. Its totient is φ = 983004160.

The previous prime is 2141111477. The next prime is 2141111551. The reversal of 2141111512 is 2151111412.

It is a super-2 number, since 2×2141111512² = 9168717013637852288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2141111512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186418 + ... + 197569.

Almost surely, 2^2141111512 is an apocalyptic number.

It is an amenable number.

2141111512 is an abundant number, since it is smaller than the sum of its proper divisors (2213312408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141111512 is a wasteful number, since it uses less digits than its factorization.

2141111512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384051 (or 384047 counting only the distinct ones).

The product of its digits is 80, while the sum is 19.

The square root of 2141111512 is about 46272.1461788839. The cubic root of 2141111512 is about 1288.8818129065.

Adding to 2141111512 its reverse (2151111412), we get a palindrome (4292222924).

It can be divided in two parts, 21411 and 11512, that added together give a palindrome (32923).

The spelling of 2141111512 in words is "two billion, one hundred forty-one million, one hundred eleven thousand, five hundred twelve".