120001111012220 has 12 divisors (see below), whose sum is σ = 252002333125704. Its totient is φ = 48000444404880.

The previous prime is 120001111012201. The next prime is 120001111012231. The reversal of 120001111012220 is 22210111100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001111012195 and 120001111012204.

It is a congruent number.

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, 3000027775286 + ... + 3000027775325.

It is an arithmetic number, because the mean of its divisors is an integer number (21000194427142).

Almost surely, 2^{120001111012220} is an apocalyptic number.

120001111012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001111012220 is an abundant number, since it is smaller than the sum of its proper divisors (132001222113484).

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

120001111012220 is a wasteful number, since it uses less digits than its factorization.

120001111012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000055550620 (or 6000055550618 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120001111012220 its reverse (22210111100021), we get a palindrome (142211222112241).

The spelling of 120001111012220 in words is "one hundred twenty trillion, one billion, one hundred eleven million, twelve thousand, two hundred twenty".