1020100312105 has 8 divisors (see below), whose sum is σ = 1398994713792. Its totient is φ = 699497356848.

The previous prime is 1020100312043. The next prime is 1020100312117. The reversal of 1020100312105 is 5012130010201.

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 1020100312105 - 2¹⁷ = 1020100181033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14572861567 + ... + 14572861636.

It is an arithmetic number, because the mean of its divisors is an integer number (174874339224).

Almost surely, 2^{1020100312105} is an apocalyptic number.

It is an amenable number.

1020100312105 is a deficient number, since it is larger than the sum of its proper divisors (378894401687).

1020100312105 is an equidigital number, since it uses as much as digits as its factorization.

1020100312105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29145723215.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 1020100312105 its reverse (5012130010201), we get a palindrome (6032230322306).

The spelling of 1020100312105 in words is "one trillion, twenty billion, one hundred million, three hundred twelve thousand, one hundred five".