20102102120101 has 8 divisors (see below), whose sum is σ = 20840498469504. Its totient is φ = 19375520112480.

The previous prime is 20102102120077. The next prime is 20102102120119. The reversal of 20102102120101 is 10102120120102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20102102120101 - 2²⁹ = 20101565249189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102102120141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2953581981 + ... + 2953588786.

It is an arithmetic number, because the mean of its divisors is an integer number (2605062308688).

Almost surely, 2^{20102102120101} is an apocalyptic number.

It is an amenable number.

20102102120101 is a deficient number, since it is larger than the sum of its proper divisors (738396349403).

20102102120101 is an equidigital number, since it uses as much as digits as its factorization.

20102102120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907170891.

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

Adding to 20102102120101 its reverse (10102120120102), we get a palindrome (30204222240203).

The spelling of 20102102120101 in words is "twenty trillion, one hundred two billion, one hundred two million, one hundred twenty thousand, one hundred one".