2122220201 has 4 divisors (see below), whose sum is σ = 2122646400. Its totient is φ = 2121794004.

The previous prime is 2122220197. The next prime is 2122220207. The reversal of 2122220201 is 1020222212.

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 2122220201 - 2² = 2122220197 is a prime.

It is a super-3 number, since 3×2122220201³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122220207) 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, 205541 + ... + 215618.

It is an arithmetic number, because the mean of its divisors is an integer number (530661600).

Almost surely, 2^2122220201 is an apocalyptic number.

It is an amenable number.

2122220201 is a deficient number, since it is larger than the sum of its proper divisors (426199).

2122220201 is an equidigital number, since it uses as much as digits as its factorization.

2122220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426198.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2122220201 is about 46067.5612660362. The cubic root of 2122220201 is about 1285.0799510177.

Adding to 2122220201 its reverse (1020222212), we get a palindrome (3142442413).

The spelling of 2122220201 in words is "two billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".