20101010101201 has 4 divisors (see below), whose sum is σ = 20528691167232. Its totient is φ = 19673329035172.

The previous prime is 20101010101153. The next prime is 20101010101223. The reversal of 20101010101201 is 10210101010102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20101010101201 - 2¹¹ = 20101010099153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101010101231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213840532945 + ... + 213840533038.

It is an arithmetic number, because the mean of its divisors is an integer number (5132172791808).

Almost surely, 2^{20101010101201} is an apocalyptic number.

It is an amenable number.

20101010101201 is a deficient number, since it is larger than the sum of its proper divisors (427681066031).

20101010101201 is an equidigital number, since it uses as much as digits as its factorization.

20101010101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427681066030.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20101010101201 its reverse (10210101010102), we get a palindrome (30311111111303).

The spelling of 20101010101201 in words is "twenty trillion, one hundred one billion, ten million, one hundred one thousand, two hundred one".