10202020011101 has 6 divisors (see below), whose sum is σ = 10261332129210. Its totient is φ = 10143048767408.

The previous prime is 10202020011017. The next prime is 10202020011107. The reversal of 10202020011101 is 10111002020201.

It can be written as a sum of positive squares in 3 ways, for example, as 6063541805476 + 4138478205625 = 2462426^2 + 2034325^2 .

It is not a de Polignac number, because 10202020011101 - 2¹⁸ = 10202019748957 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 (10202020011107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170407106 + ... + 170466963.

It is an arithmetic number, because the mean of its divisors is an integer number (1710222021535).

Almost surely, 2^{10202020011101} is an apocalyptic number.

It is an amenable number.

10202020011101 is a deficient number, since it is larger than the sum of its proper divisors (59312118109).

10202020011101 is an frugal number, since it uses more digits than its factorization.

10202020011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340874415 (or 340874242 counting only the distinct ones).

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

Adding to 10202020011101 its reverse (10111002020201), we get a palindrome (20313022031302).

The spelling of 10202020011101 in words is "ten trillion, two hundred two billion, twenty million, eleven thousand, one hundred one".