201302213121 has 16 divisors (see below), whose sum is σ = 298818414720. Its totient is φ = 133934664240.

The previous prime is 201302213111. The next prime is 201302213143. The reversal of 201302213121 is 121312203102.

201302213121 is a `hidden beast` number, since 2 + 0 + 130 + 221 + 312 + 1 = 666.

It is not a de Polignac number, because 201302213121 - 2²³ = 201293824513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201302213094 and 201302213103.

It is not an unprimeable number, because it can be changed into a prime (201302213111) 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, 7397590 + ... + 7424751.

It is an arithmetic number, because the mean of its divisors is an integer number (18676150920).

Almost surely, 2^201302213121 is an apocalyptic number.

It is an amenable number.

201302213121 is a deficient number, since it is larger than the sum of its proper divisors (97516201599).

201302213121 is a wasteful number, since it uses less digits than its factorization.

201302213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822853 (or 14822847 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201302213121 its reverse (121312203102), we get a palindrome (322614416223).

The spelling of 201302213121 in words is "two hundred one billion, three hundred two million, two hundred thirteen thousand, one hundred twenty-one".