2122111201 has 4 divisors (see below), whose sum is σ = 2425269952. Its totient is φ = 1818952452.

The previous prime is 2122111183. The next prime is 2122111223. The reversal of 2122111201 is 1021112212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122111201 - 2⁹ = 2122110689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122111291) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 151579365 + ... + 151579378.

It is an arithmetic number, because the mean of its divisors is an integer number (606317488).

Almost surely, 2^2122111201 is an apocalyptic number.

It is an amenable number.

2122111201 is a deficient number, since it is larger than the sum of its proper divisors (303158751).

2122111201 is an equidigital number, since it uses as much as digits as its factorization.

2122111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303158750.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2122111201 is about 46066.3782058021. The cubic root of 2122111201 is about 1285.0579495131.

Adding to 2122111201 its reverse (1021112212), we get a palindrome (3143223413).

The spelling of 2122111201 in words is "two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred one".