2110021012105 has 32 divisors (see below), whose sum is σ = 2774754519840. Its totient is φ = 1533197352960.

The previous prime is 2110021012087. The next prime is 2110021012147. The reversal of 2110021012105 is 5012101200112.

It can be written as a sum of positive squares in 16 ways, for example, as 984730736896 + 1125290275209 = 992336^2 + 1060797^2 .

It is not a de Polignac number, because 2110021012105 - 2²⁵ = 2109987457673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4923997 + ... + 5335333.

It is an arithmetic number, because the mean of its divisors is an integer number (86711078745).

Almost surely, 2^{2110021012105} is an apocalyptic number.

It is an amenable number.

2110021012105 is a deficient number, since it is larger than the sum of its proper divisors (664733507735).

2110021012105 is a wasteful number, since it uses less digits than its factorization.

2110021012105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413469.

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

Adding to 2110021012105 its reverse (5012101200112), we get a palindrome (7122122212217).

The spelling of 2110021012105 in words is "two trillion, one hundred ten billion, twenty-one million, twelve thousand, one hundred five".