201013213321123 has 16 divisors (see below), whose sum is σ = 232123268468224. Its totient is φ = 170502019511040.

The previous prime is 201013213321111. The next prime is 201013213321159. The reversal of 201013213321123 is 321123312310102.

201013213321123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201013213321123 - 2¹⁷ = 201013213190051 is a prime.

It is a super-2 number, since 2×201013213321123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201013213321223) 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, 10109415 + ... + 22454992.

It is an arithmetic number, because the mean of its divisors is an integer number (14507704279264).

Almost surely, 2^{201013213321123} is an apocalyptic number.

201013213321123 is a deficient number, since it is larger than the sum of its proper divisors (31110055147101).

201013213321123 is an equidigital number, since it uses as much as digits as its factorization.

201013213321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32573602.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 201013213321123 its reverse (321123312310102), we get a palindrome (522136525631225).

The spelling of 201013213321123 in words is "two hundred one trillion, thirteen billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred twenty-three".