1010661010205 has 32 divisors (see below), whose sum is σ = 1520501207040. Its totient is φ = 626502726720.

The previous prime is 1010661010199. The next prime is 1010661010217. The reversal of 1010661010205 is 5020101660101.

1010661010205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1010661010205 - 2²⁸ = 1010392574749 is a prime.

It is a super-2 number, since 2×1010661010205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 7263749 + ... + 7401578.

It is an arithmetic number, because the mean of its divisors is an integer number (47515662720).

Almost surely, 2^{1010661010205} is an apocalyptic number.

It is an amenable number.

1010661010205 is a deficient number, since it is larger than the sum of its proper divisors (509840196835).

1010661010205 is a wasteful number, since it uses less digits than its factorization.

1010661010205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14665529.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1010661010205 its reverse (5020101660101), we get a palindrome (6030762670306).

The spelling of 1010661010205 in words is "one trillion, ten billion, six hundred sixty-one million, ten thousand, two hundred five".