2214111121 has 4 divisors (see below), whose sum is σ = 2214307044. Its totient is φ = 2213915200.

The previous prime is 2214111101. The next prime is 2214111149. The reversal of 2214111121 is 1211114122.

2214111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 695060496 + 1519050625 = 26364^2 + 38975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214111121 - 2¹⁷ = 2213980049 is a prime.

It is a super-2 number, since 2×2214111121² = 9804576112271753282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2214111095 and 2214111104.

It is not an unprimeable number, because it can be changed into a prime (2214111101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79900 + ... + 103981.

It is an arithmetic number, because the mean of its divisors is an integer number (553576761).

Almost surely, 2^2214111121 is an apocalyptic number.

It is an amenable number.

2214111121 is a deficient number, since it is larger than the sum of its proper divisors (195923).

2214111121 is a wasteful number, since it uses less digits than its factorization.

2214111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195922.

The product of its digits is 32, while the sum is 16.

The square root of 2214111121 is about 47054.3422119574. The cubic root of 2214111121 is about 1303.3662503851.

Adding to 2214111121 its reverse (1211114122), we get a palindrome (3425225243).

The spelling of 2214111121 in words is "two billion, two hundred fourteen million, one hundred eleven thousand, one hundred twenty-one".