10001220101201 has 16 divisors (see below), whose sum is σ = 11568193797888. Its totient is φ = 8469291264000.

The previous prime is 10001220101101. The next prime is 10001220101207. The reversal of 10001220101201 is 10210102210001.

It is not a de Polignac number, because 10001220101201 - 2¹⁰ = 10001220100177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10001220101207) 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, 20081600 + ... + 20573601.

It is an arithmetic number, because the mean of its divisors is an integer number (723012112368).

Almost surely, 2^{10001220101201} is an apocalyptic number.

It is an amenable number.

10001220101201 is a deficient number, since it is larger than the sum of its proper divisors (1566973696687).

10001220101201 is a wasteful number, since it uses less digits than its factorization.

10001220101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40655632.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10001220101201 its reverse (10210102210001), we get a palindrome (20211322311202).

The spelling of 10001220101201 in words is "ten trillion, one billion, two hundred twenty million, one hundred one thousand, two hundred one".