1020320212101 has 8 divisors (see below), whose sum is σ = 1389372203904. Its totient is φ = 665740847520.

The previous prime is 1020320212091. The next prime is 1020320212127. The reversal of 1020320212101 is 1012120230201.

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

It is not a de Polignac number, because 1020320212101 - 2⁵ = 1020320212069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020320212141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618156640 + ... + 3618156921.

It is an arithmetic number, because the mean of its divisors is an integer number (173671525488).

Almost surely, 2^{1020320212101} is an apocalyptic number.

It is an amenable number.

1020320212101 is a deficient number, since it is larger than the sum of its proper divisors (369051991803).

1020320212101 is an equidigital number, since it uses as much as digits as its factorization.

1020320212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236313611.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1020320212101 its reverse (1012120230201), we get a palindrome (2032440442302).

The spelling of 1020320212101 in words is "one trillion, twenty billion, three hundred twenty million, two hundred twelve thousand, one hundred one".