2021011102105 has 8 divisors (see below), whose sum is σ = 2476813606272. Its totient is φ = 1582408692528.

The previous prime is 2021011102067. The next prime is 2021011102109. The reversal of 2021011102105 is 5012011101202.

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 2021011102105 - 2²³ = 2021002713497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021011102109) 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, 4300023387 + ... + 4300023856.

It is an arithmetic number, because the mean of its divisors is an integer number (309601700784).

Almost surely, 2^{2021011102105} is an apocalyptic number.

It is an amenable number.

2021011102105 is a deficient number, since it is larger than the sum of its proper divisors (455802504167).

2021011102105 is an equidigital number, since it uses as much as digits as its factorization.

2021011102105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600047295.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 2021011102105 its reverse (5012011101202), we get a palindrome (7033022203307).

The spelling of 2021011102105 in words is "two trillion, twenty-one billion, eleven million, one hundred two thousand, one hundred five".