130201020121 has 8 divisors (see below), whose sum is σ = 135882667080. Its totient is φ = 124598836992.

The previous prime is 130201020107. The next prime is 130201020139. The reversal of 130201020121 is 121020102031.

It can be written as a sum of positive squares in 4 ways, for example, as 82101721 + 130118918400 = 9061^2 + 360720^2 .

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 130201020121 - 2⁹ = 130201019609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130201020151) 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, 19862610 + ... + 19869163.

It is an arithmetic number, because the mean of its divisors is an integer number (16985333385).

Almost surely, 2^130201020121 is an apocalyptic number.

It is an amenable number.

130201020121 is a deficient number, since it is larger than the sum of its proper divisors (5681646959).

130201020121 is a wasteful number, since it uses less digits than its factorization.

130201020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39731915.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 130201020121 its reverse (121020102031), we get a palindrome (251221122152).

The spelling of 130201020121 in words is "one hundred thirty billion, two hundred one million, twenty thousand, one hundred twenty-one".