22002123201 has 4 divisors (see below), whose sum is σ = 29336164272. Its totient is φ = 14668082132.

The previous prime is 22002123193. The next prime is 22002123211. The reversal of 22002123201 is 10232120022.

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 a cyclic number.

It is not a de Polignac number, because 22002123201 - 2³ = 22002123193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22002123211) 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, 3667020531 + ... + 3667020536.

It is an arithmetic number, because the mean of its divisors is an integer number (7334041068).

Almost surely, 2^22002123201 is an apocalyptic number.

It is an amenable number.

22002123201 is a deficient number, since it is larger than the sum of its proper divisors (7334041071).

22002123201 is an equidigital number, since it uses as much as digits as its factorization.

22002123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334041070.

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

Adding to 22002123201 its reverse (10232120022), we get a palindrome (32234243223).

The spelling of 22002123201 in words is "twenty-two billion, two million, one hundred twenty-three thousand, two hundred one".