102020001101 has 4 divisors (see below), whose sum is σ = 103311393600. Its totient is φ = 100728608604.

The previous prime is 102020001077. The next prime is 102020001131. The reversal of 102020001101 is 101100020201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101100020201 = 22157 ⋅4562893.

It is a cyclic number.

It is not a de Polignac number, because 102020001101 - 2³⁴ = 84840131917 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 (102020001131) 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, 645696131 + ... + 645696288.

It is an arithmetic number, because the mean of its divisors is an integer number (25827848400).

Almost surely, 2^102020001101 is an apocalyptic number.

It is an amenable number.

102020001101 is a deficient number, since it is larger than the sum of its proper divisors (1291392499).

102020001101 is an equidigital number, since it uses as much as digits as its factorization.

102020001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291392498.

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

Adding to 102020001101 its reverse (101100020201), we get a palindrome (203120021302).

The spelling of 102020001101 in words is "one hundred two billion, twenty million, one thousand, one hundred one".