2121114111 has 8 divisors (see below), whose sum is σ = 2828657664. Its totient is φ = 1413823320.

The previous prime is 2121114091. The next prime is 2121114161. The reversal of 2121114111 is 1114111212.

It is a happy number.

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

It is not a de Polignac number, because 2121114111 - 2⁷ = 2121113983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121114161) 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, 42655 + ... + 77856.

It is an arithmetic number, because the mean of its divisors is an integer number (353582208).

Almost surely, 2^2121114111 is an apocalyptic number.

2121114111 is a deficient number, since it is larger than the sum of its proper divisors (707543553).

2121114111 is a wasteful number, since it uses less digits than its factorization.

2121114111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126381.

The product of its digits is 16, while the sum is 15.

The square root of 2121114111 is about 46055.5546161372. The cubic root of 2121114111 is about 1284.8566532502.

Adding to 2121114111 its reverse (1114111212), we get a palindrome (3235225323).

The spelling of 2121114111 in words is "two billion, one hundred twenty-one million, one hundred fourteen thousand, one hundred eleven".