120111202110 has 128 divisors (see below), whose sum is σ = 323093422080. Its totient is φ = 28429019136.

The previous prime is 120111202063. The next prime is 120111202151. The reversal of 120111202110 is 11202111021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 541539 + ... + 730401.

It is an arithmetic number, because the mean of its divisors is an integer number (2524167360).

Almost surely, 2^120111202110 is an apocalyptic number.

120111202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120111202110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161546711040).

120111202110 is an abundant number, since it is smaller than the sum of its proper divisors (202982219970).

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

120111202110 is a wasteful number, since it uses less digits than its factorization.

120111202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188962.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120111202110 its reverse (11202111021), we get a palindrome (131313313131).

It can be divided in two parts, 12011 and 1202110, that added together give a palindrome (1214121).

The spelling of 120111202110 in words is "one hundred twenty billion, one hundred eleven million, two hundred two thousand, one hundred ten".