102020021301 has 64 divisors (see below), whose sum is σ = 159138017280. Its totient is φ = 57539784960.

The previous prime is 102020021281. The next prime is 102020021357. The reversal of 102020021301 is 103120020201.

It is not a de Polignac number, because 102020021301 - 2¹⁵ = 102019988533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020021381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3775300 + ... + 3802226.

It is an arithmetic number, because the mean of its divisors is an integer number (2486531520).

Almost surely, 2^102020021301 is an apocalyptic number.

102020021301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102020021301 is a deficient number, since it is larger than the sum of its proper divisors (57117995979).

102020021301 is a wasteful number, since it uses less digits than its factorization.

102020021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27114.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102020021301 its reverse (103120020201), we get a palindrome (205140041502).

The spelling of 102020021301 in words is "one hundred two billion, twenty million, twenty-one thousand, three hundred one".