120021120110 has 16 divisors (see below), whose sum is σ = 225430973856. Its totient is φ = 45921124128.

The previous prime is 120021120103. The next prime is 120021120137. The reversal of 120021120110 is 11021120021.

It is a junction number, because it is equal to n+sod(n) for n = 120021120091 and 120021120100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260915249 + ... + 260915708.

It is an arithmetic number, because the mean of its divisors is an integer number (14089435866).

Almost surely, 2^120021120110 is an apocalyptic number.

120021120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021120110 is a deficient number, since it is larger than the sum of its proper divisors (105409853746).

120021120110 is a wasteful number, since it uses less digits than its factorization.

120021120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521830987.

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

Adding to 120021120110 its reverse (11021120021), we get a palindrome (131042240131).

The spelling of 120021120110 in words is "one hundred twenty billion, twenty-one million, one hundred twenty thousand, one hundred ten".