10202010120101 has 4 divisors (see below), whose sum is σ = 10202816042400. Its totient is φ = 10201204197804.

The previous prime is 10202010120041. The next prime is 10202010120149. The reversal of 10202010120101 is 10102101020201.

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 a de Polignac number, because none of the positive numbers 2^k-10202010120101 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 (10202010110101) 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 3 ways as a sum of consecutive naturals, for example, 402942161 + ... + 402967478.

It is an arithmetic number, because the mean of its divisors is an integer number (2550704010600).

Almost surely, 2^{10202010120101} is an apocalyptic number.

It is an amenable number.

10202010120101 is a deficient number, since it is larger than the sum of its proper divisors (805922299).

10202010120101 is an equidigital number, since it uses as much as digits as its factorization.

10202010120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805922298.

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

Adding to 10202010120101 its reverse (10102101020201), we get a palindrome (20304111140302).

The spelling of 10202010120101 in words is "ten trillion, two hundred two billion, ten million, one hundred twenty thousand, one hundred one".