201313020121 has 8 divisors (see below), whose sum is σ = 208330444544. Its totient is φ = 194328311760.

The previous prime is 201313020043. The next prime is 201313020127. The reversal of 201313020121 is 121020313102.

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

It is a cyclic number.

It is not a de Polignac number, because 201313020121 - 2¹¹ = 201313018073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201313020095 and 201313020104.

It is not an unprimeable number, because it can be changed into a prime (201313020127) 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, 8166495 + ... + 8191108.

It is an arithmetic number, because the mean of its divisors is an integer number (26041305568).

Almost surely, 2^201313020121 is an apocalyptic number.

It is an amenable number.

201313020121 is a deficient number, since it is larger than the sum of its proper divisors (7017424423).

201313020121 is a wasteful number, since it uses less digits than its factorization.

201313020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16358031.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201313020121 its reverse (121020313102), we get a palindrome (322333333223).

The spelling of 201313020121 in words is "two hundred one billion, three hundred thirteen million, twenty thousand, one hundred twenty-one".