201122220200123 has 8 divisors (see below), whose sum is σ = 203877906804096. Its totient is φ = 198366549480000.

The previous prime is 201122220200107. The next prime is 201122220200129. The reversal of 201122220200123 is 321002022221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201122220200123 - 2⁴ = 201122220200107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201122220200095 and 201122220200104.

It is not an unprimeable number, because it can be changed into a prime (201122220200129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22750073 + ... + 30328373.

It is an arithmetic number, because the mean of its divisors is an integer number (25484738350512).

Almost surely, 2^{201122220200123} is an apocalyptic number.

201122220200123 is a deficient number, since it is larger than the sum of its proper divisors (2755686603973).

201122220200123 is an equidigital number, since it uses as much as digits as its factorization.

201122220200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941925.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201122220200123 its reverse (321002022221102), we get a palindrome (522124242421225).

The spelling of 201122220200123 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred thousand, one hundred twenty-three".