102020102101 has 8 divisors (see below), whose sum is σ = 102277992960. Its totient is φ = 101762536608.

The previous prime is 102020102089. The next prime is 102020102117. The reversal of 102020102101 is 101201020201.

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

It is a cyclic number.

It is not a de Polignac number, because 102020102101 - 2⁵ = 102020102069 is a prime.

It is a super-2 number, since 2×102020102101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020102161) 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 7 ways as a sum of consecutive naturals, for example, 552780 + ... + 713866.

It is an arithmetic number, because the mean of its divisors is an integer number (12784749120).

Almost surely, 2^102020102101 is an apocalyptic number.

It is an amenable number.

102020102101 is a deficient number, since it is larger than the sum of its proper divisors (257890859).

102020102101 is an equidigital number, since it uses as much as digits as its factorization.

102020102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162683.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102020102101 its reverse (101201020201), we get a palindrome (203221122302).

The spelling of 102020102101 in words is "one hundred two billion, twenty million, one hundred two thousand, one hundred one".