20101201201 has 16 divisors (see below), whose sum is σ = 21063369600. Its totient is φ = 19157383168.

The previous prime is 20101201199. The next prime is 20101201207. The reversal of 20101201201 is 10210210102.

It is a cyclic number.

It is not a de Polignac number, because 20101201201 - 2¹ = 20101201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101201207) 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, 3388500 + ... + 3394426.

It is an arithmetic number, because the mean of its divisors is an integer number (1316460600).

Almost surely, 2^20101201201 is an apocalyptic number.

It is an amenable number.

20101201201 is a deficient number, since it is larger than the sum of its proper divisors (962168399).

20101201201 is a wasteful number, since it uses less digits than its factorization.

20101201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20101201201 its reverse (10210210102), we get a palindrome (30311411303).

The spelling of 20101201201 in words is "twenty billion, one hundred one million, two hundred one thousand, two hundred one".