2105062100061 has 8 divisors (see below), whose sum is σ = 2809420022304. Its totient is φ = 1402039455600.

The previous prime is 2105062100039. The next prime is 2105062100081. The reversal of 2105062100061 is 1600012605012.

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

It is not a de Polignac number, because 2105062100061 - 2¹⁰ = 2105062099037 is a prime.

It is a super-2 number, since 2×2105062100061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105062100081) 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, 333815766 + ... + 333822071.

It is an arithmetic number, because the mean of its divisors is an integer number (351177502788).

Almost surely, 2^{2105062100061} is an apocalyptic number.

It is an amenable number.

2105062100061 is a deficient number, since it is larger than the sum of its proper divisors (704357922243).

2105062100061 is a wasteful number, since it uses less digits than its factorization.

2105062100061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667638891.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 2105062100061 its reverse (1600012605012), we get a palindrome (3705074705073).

The spelling of 2105062100061 in words is "two trillion, one hundred five billion, sixty-two million, one hundred thousand, sixty-one".