201123241002 has 32 divisors (see below), whose sum is σ = 446972736960. Its totient is φ = 67036250160.

The previous prime is 201123241001. The next prime is 201123241013. The reversal of 201123241002 is 200142321102.

It is a happy number.

201123241002 is a `hidden beast` number, since 20 + 1 + 1 + 232 + 410 + 0 + 2 = 666.

201123241002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201123241002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201123241001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666052 + ... + 919712.

It is an arithmetic number, because the mean of its divisors is an integer number (13967898030).

Almost surely, 2^201123241002 is an apocalyptic number.

201123241002 is an abundant number, since it is smaller than the sum of its proper divisors (245849495958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201123241002 is a wasteful number, since it uses less digits than its factorization.

201123241002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268355 (or 268349 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201123241002 its reverse (200142321102), we get a palindrome (401265562104).

The spelling of 201123241002 in words is "two hundred one billion, one hundred twenty-three million, two hundred forty-one thousand, two".