222020123201 has 4 divisors (see below), whose sum is σ = 222289893312. Its totient is φ = 221750353092.

The previous prime is 222020123177. The next prime is 222020123243. The reversal of 222020123201 is 102321020222.

222020123201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102321020222 = 2 ⋅51160510111.

It is a cyclic number.

It is not a de Polignac number, because 222020123201 - 2¹⁴ = 222020106817 is a prime.

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 222020123201.

It is not an unprimeable number, because it can be changed into a prime (222020128201) 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, 134883821 + ... + 134885466.

It is an arithmetic number, because the mean of its divisors is an integer number (55572473328).

Almost surely, 2^222020123201 is an apocalyptic number.

It is an amenable number.

222020123201 is a deficient number, since it is larger than the sum of its proper divisors (269770111).

222020123201 is an equidigital number, since it uses as much as digits as its factorization.

222020123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269770110.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222020123201 its reverse (102321020222), we get a palindrome (324341143423).

The spelling of 222020123201 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-three thousand, two hundred one".