201130003021123 has 4 divisors (see below), whose sum is σ = 219414548750328. Its totient is φ = 182845457291920.

The previous prime is 201130003021109. The next prime is 201130003021201. The reversal of 201130003021123 is 321120300031102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201130003021123 - 2¹³ = 201130003012931 is a prime.

It is a super-3 number, since 3×201130003021123³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 201130003021123.

It is not an unprimeable number, because it can be changed into a prime (201130003081123) 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, 9142272864586 + ... + 9142272864607.

It is an arithmetic number, because the mean of its divisors is an integer number (54853637187582).

Almost surely, 2^{201130003021123} is an apocalyptic number.

201130003021123 is a deficient number, since it is larger than the sum of its proper divisors (18284545729205).

201130003021123 is a wasteful number, since it uses less digits than its factorization.

201130003021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18284545729204.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201130003021123 its reverse (321120300031102), we get a palindrome (522250303052225).

The spelling of 201130003021123 in words is "two hundred one trillion, one hundred thirty billion, three million, twenty-one thousand, one hundred twenty-three".