110120021210 has 24 divisors (see below), whose sum is σ = 209197542996. Its totient is φ = 41729690880.

The previous prime is 110120021177. The next prime is 110120021243. The reversal of 110120021210 is 12120021011.

It is an interprime number because it is at equal distance from previous prime (110120021177) and next prime (110120021243).

It can be written as a sum of positive squares in 2 ways, for example, as 104832840841 + 5287180369 = 323779^2 + 72713^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110120021191 and 110120021200.

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 11 ways as a sum of consecutive naturals, for example, 15248471 + ... + 15255690.

Almost surely, 2^110120021210 is an apocalyptic number.

110120021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

110120021210 is a deficient number, since it is larger than the sum of its proper divisors (99077521786).

110120021210 is a wasteful number, since it uses less digits than its factorization.

110120021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30504206 (or 30504187 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110120021210 its reverse (12120021011), we get a palindrome (122240042221).

The spelling of 110120021210 in words is "one hundred ten billion, one hundred twenty million, twenty-one thousand, two hundred ten".