2142212511 has 8 divisors (see below), whose sum is σ = 2856799744. Its totient is φ = 1427883480.

The previous prime is 2142212503. The next prime is 2142212543. The reversal of 2142212511 is 1152122412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142212511 - 2³ = 2142212503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142212591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44281 + ... + 79026.

It is an arithmetic number, because the mean of its divisors is an integer number (357099968).

Almost surely, 2^2142212511 is an apocalyptic number.

2142212511 is a deficient number, since it is larger than the sum of its proper divisors (714587233).

2142212511 is a wasteful number, since it uses less digits than its factorization.

2142212511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129101.

The product of its digits is 320, while the sum is 21.

The square root of 2142212511 is about 46284.0416450422. The cubic root of 2142212511 is about 1289.1026973106.

Adding to 2142212511 its reverse (1152122412), we get a palindrome (3294334923).

Subtracting from 2142212511 its reverse (1152122412), we obtain a palindrome (990090099).

It can be divided in two parts, 21422 and 12511, that added together give a palindrome (33933).

The spelling of 2142212511 in words is "two billion, one hundred forty-two million, two hundred twelve thousand, five hundred eleven".