120901090110 has 128 divisors (see below), whose sum is σ = 318488785920. Its totient is φ = 29247289344.

The previous prime is 120901090109. The next prime is 120901090129. The reversal of 120901090110 is 11090109021.

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, 1989151 + ... + 2049029.

It is an arithmetic number, because the mean of its divisors is an integer number (2488193640).

Almost surely, 2^120901090110 is an apocalyptic number.

120901090110 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 120901090110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159244392960).

120901090110 is an abundant number, since it is smaller than the sum of its proper divisors (197587695810).

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

120901090110 is a wasteful number, since it uses less digits than its factorization.

120901090110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60050.

The product of its (nonzero) digits is 162, while the sum is 24.

Adding to 120901090110 its reverse (11090109021), we get a palindrome (131991199131).

The spelling of 120901090110 in words is "one hundred twenty billion, nine hundred one million, ninety thousand, one hundred ten".