2202120111 has 4 divisors (see below), whose sum is σ = 2936160152. Its totient is φ = 1468080072.

The previous prime is 2202120103. The next prime is 2202120131. The reversal of 2202120111 is 1110212022.

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

It is not a de Polignac number, because 2202120111 - 2³ = 2202120103 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 (2202120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367020016 + ... + 367020021.

It is an arithmetic number, because the mean of its divisors is an integer number (734040038).

Almost surely, 2^2202120111 is an apocalyptic number.

2202120111 is a deficient number, since it is larger than the sum of its proper divisors (734040041).

2202120111 is an equidigital number, since it uses as much as digits as its factorization.

2202120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734040040.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2202120111 is about 46926.7526151128. The cubic root of 2202120111 is about 1301.0091003288.

Adding to 2202120111 its reverse (1110212022), we get a palindrome (3312332133).

The spelling of 2202120111 in words is "two billion, two hundred two million, one hundred twenty thousand, one hundred eleven".