201100120203 has 8 divisors (see below), whose sum is σ = 269335886848. Its totient is φ = 133465550184.

The previous prime is 201100120147. The next prime is 201100120211. The reversal of 201100120203 is 302021001102.

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

It is not a de Polignac number, because 201100120203 - 2¹⁰ = 201100119179 is a prime.

It is a super-2 number, since 2×201100120203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100120003) 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, 150298375 + ... + 150299712.

It is an arithmetic number, because the mean of its divisors is an integer number (33666985856).

Almost surely, 2^201100120203 is an apocalyptic number.

201100120203 is a deficient number, since it is larger than the sum of its proper divisors (68235766645).

201100120203 is a wasteful number, since it uses less digits than its factorization.

201100120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300598313.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201100120203 its reverse (302021001102), we get a palindrome (503121121305).

The spelling of 201100120203 in words is "two hundred one billion, one hundred million, one hundred twenty thousand, two hundred three".