120001110110020 has 12 divisors (see below), whose sum is σ = 252002331231084. Its totient is φ = 48000444044000.

The previous prime is 120001110109957. The next prime is 120001110110053. The reversal of 120001110110020 is 20011011100021.

It can be written as a sum of positive squares in 2 ways, for example, as 95348038095424 + 24653072014596 = 9764632^2 + 4965186^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120001110109979 and 120001110110006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000027752731 + ... + 3000027752770.

It is an arithmetic number, because the mean of its divisors is an integer number (21000194269257).

Almost surely, 2^{120001110110020} is an apocalyptic number.

120001110110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001110110020 is an abundant number, since it is smaller than the sum of its proper divisors (132001221121064).

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

120001110110020 is a wasteful number, since it uses less digits than its factorization.

120001110110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000055505510 (or 6000055505508 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120001110110020 its reverse (20011011100021), we get a palindrome (140012121210041).

Subtracting from 120001110110020 its reverse (20011011100021), we obtain a palindrome (99990099009999).

The spelling of 120001110110020 in words is "one hundred twenty trillion, one billion, one hundred ten million, one hundred ten thousand, twenty".