2142212201 has 4 divisors (see below), whose sum is σ = 2187791232. Its totient is φ = 2096633172.

The previous prime is 2142212183. The next prime is 2142212221. The reversal of 2142212201 is 1022122412.

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 a de Polignac number, because none of the positive numbers 2^k-2142212201 is a prime.

It is a super-2 number, since 2×2142212201² = 9178146228226528802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142212201.

It is not an unprimeable number, because it can be changed into a prime (2142212221) 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, 22789445 + ... + 22789538.

It is an arithmetic number, because the mean of its divisors is an integer number (546947808).

Almost surely, 2^2142212201 is an apocalyptic number.

It is an amenable number.

2142212201 is a deficient number, since it is larger than the sum of its proper divisors (45579031).

2142212201 is an equidigital number, since it uses as much as digits as its factorization.

2142212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45579030.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2142212201 is about 46284.0382961556. The cubic root of 2142212201 is about 1289.1026351285.

Adding to 2142212201 its reverse (1022122412), we get a palindrome (3164334613).

The spelling of 2142212201 in words is "two billion, one hundred forty-two million, two hundred twelve thousand, two hundred one".