2123022201 has 4 divisors (see below), whose sum is σ = 2830696272. Its totient is φ = 1415348132.

The previous prime is 2123022173. The next prime is 2123022229. The reversal of 2123022201 is 1022203212.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (2123022173) and next prime (2123022229).

It is a cyclic number.

It is not a de Polignac number, because 2123022201 - 2⁶ = 2123022137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2123020201) 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, 353837031 + ... + 353837036.

It is an arithmetic number, because the mean of its divisors is an integer number (707674068).

Almost surely, 2^2123022201 is an apocalyptic number.

It is an amenable number.

2123022201 is a deficient number, since it is larger than the sum of its proper divisors (707674071).

2123022201 is an equidigital number, since it uses as much as digits as its factorization.

2123022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707674070.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2123022201 is about 46076.2650504574. The cubic root of 2123022201 is about 1285.2418104892.

Adding to 2123022201 its reverse (1022203212), we get a palindrome (3145225413).

The spelling of 2123022201 in words is "two billion, one hundred twenty-three million, twenty-two thousand, two hundred one".