201100421401223 has 16 divisors (see below), whose sum is σ = 203008539119616. Its totient is φ = 199197456796800.

The previous prime is 201100421401181. The next prime is 201100421401259. The reversal of 201100421401223 is 322104124001102.

It is a cyclic number.

It is not a de Polignac number, because 201100421401223 - 2⁴⁰ = 200000909773447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100421401123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646151615 + ... + 646462767.

It is an arithmetic number, because the mean of its divisors is an integer number (12688033694976).

Almost surely, 2^{201100421401223} is an apocalyptic number.

201100421401223 is a deficient number, since it is larger than the sum of its proper divisors (1908117718393).

201100421401223 is a wasteful number, since it uses less digits than its factorization.

201100421401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319414.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201100421401223 its reverse (322104124001102), we get a palindrome (523204545402325).

The spelling of 201100421401223 in words is "two hundred one trillion, one hundred billion, four hundred twenty-one million, four hundred one thousand, two hundred twenty-three".