10661001112 has 16 divisors (see below), whose sum is σ = 20678666400. Its totient is φ = 5146690080.

The previous prime is 10661001089. The next prime is 10661001119. The reversal of 10661001112 is 21110016601.

It is a super-2 number, since 2×10661001112² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10661001112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661001119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22976064 + ... + 22976527.

It is an arithmetic number, because the mean of its divisors is an integer number (1292416650).

Almost surely, 2^10661001112 is an apocalyptic number.

It is an amenable number.

10661001112 is a deficient number, since it is larger than the sum of its proper divisors (10017665288).

10661001112 is a wasteful number, since it uses less digits than its factorization.

10661001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45952626 (or 45952622 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10661001112 its reverse (21110016601), we get a palindrome (31771017713).

The spelling of 10661001112 in words is "ten billion, six hundred sixty-one million, one thousand, one hundred twelve".