3661122220110 has 48 divisors (see below), whose sum is σ = 9527188170240. Its totient is φ = 975451012800.

The previous prime is 3661122220109. The next prime is 3661122220117. The reversal of 3661122220110 is 110222211663.

3661122220110 is a `hidden beast` number, since 3 + 6 + 611 + 2 + 22 + 20 + 1 + 1 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661122220117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17567625 + ... + 17774804.

It is an arithmetic number, because the mean of its divisors is an integer number (198483086880).

Almost surely, 2^{3661122220110} is an apocalyptic number.

3661122220110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3661122220110 is an abundant number, since it is smaller than the sum of its proper divisors (5866065950130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3661122220110 is a wasteful number, since it uses less digits than its factorization.

3661122220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35343593 (or 35343590 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 3661122220110 its reverse (110222211663), we get a palindrome (3771344431773).

The spelling of 3661122220110 in words is "three trillion, six hundred sixty-one billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".