110323121220 has 72 divisors (see below), whose sum is σ = 360388870296. Its totient is φ = 27156460032.

The previous prime is 110323121147. The next prime is 110323121263. The reversal of 110323121220 is 22121323011.

110323121220 is a `hidden beast` number, since 1 + 1 + 0 + 323 + 121 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24740676 + 110298380544 = 4974^2 + 332112^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 110323121193 and 110323121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23570977 + ... + 23575656.

Almost surely, 2^110323121220 is an apocalyptic number.

110323121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110323121220 is an abundant number, since it is smaller than the sum of its proper divisors (250065749076).

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

110323121220 is a wasteful number, since it uses less digits than its factorization.

110323121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47146661 (or 47146656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 110323121220 its reverse (22121323011), we get a palindrome (132444444231).

The spelling of 110323121220 in words is "one hundred ten billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred twenty".