20010100001201 has 32 divisors (see below), whose sum is σ = 21501093309696. Its totient is φ = 18556162560000.

The previous prime is 20010100001179. The next prime is 20010100001267. The reversal of 20010100001201 is 10210000101002.

It is a cyclic number.

It is not a de Polignac number, because 20010100001201 - 2²⁶ = 20010032892337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010100004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719955161 + ... + 719982953.

It is an arithmetic number, because the mean of its divisors is an integer number (671909165928).

Almost surely, 2^{20010100001201} is an apocalyptic number.

It is an amenable number.

20010100001201 is a deficient number, since it is larger than the sum of its proper divisors (1490993308495).

20010100001201 is a wasteful number, since it uses less digits than its factorization.

20010100001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30233.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20010100001201 its reverse (10210000101002), we get a palindrome (30220100102203).

The spelling of 20010100001201 in words is "twenty trillion, ten billion, one hundred million, one thousand, two hundred one".