10201020121201 has 32 divisors (see below), whose sum is σ = 12709729509120. Its totient is φ = 7971926916096.

The previous prime is 10201020121181. The next prime is 10201020121349. The reversal of 10201020121201 is 10212102010201.

It is a de Polignac number, because none of the positive numbers 2^k-10201020121201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10201020121801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6916650 + ... + 8260876.

It is an arithmetic number, because the mean of its divisors is an integer number (397179047160).

Almost surely, 2^{10201020121201} is an apocalyptic number.

It is an amenable number.

10201020121201 is a deficient number, since it is larger than the sum of its proper divisors (2508709387919).

10201020121201 is a wasteful number, since it uses less digits than its factorization.

10201020121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345273.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10201020121201 its reverse (10212102010201), we get a palindrome (20413122131402).

The spelling of 10201020121201 in words is "ten trillion, two hundred one billion, twenty million, one hundred twenty-one thousand, two hundred one".