1020231210109 has 8 divisors (see below), whose sum is σ = 1020613144320. Its totient is φ = 1019849355456.

The previous prime is 1020231210067. The next prime is 1020231210113. The reversal of 1020231210109 is 9010121320201.

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 1020231210109 - 2⁷ = 1020231209981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020231210109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020231210179) 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, 37690422 + ... + 37717480.

It is an arithmetic number, because the mean of its divisors is an integer number (127576643040).

Almost surely, 2^{1020231210109} is an apocalyptic number.

It is an amenable number.

1020231210109 is a deficient number, since it is larger than the sum of its proper divisors (381934211).

1020231210109 is an equidigital number, since it uses as much as digits as its factorization.

1020231210109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39779.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 1020231210109 in words is "one trillion, twenty billion, two hundred thirty-one million, two hundred ten thousand, one hundred nine".