120001110200001 has 16 divisors (see below), whose sum is σ = 177780913616320. Its totient is φ = 80000069139360.

The previous prime is 120001110199969. The next prime is 120001110200003. The reversal of 120001110200001 is 100002011100021.

It is a happy number.

It is not a de Polignac number, because 120001110200001 - 2⁵ = 120001110199969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001110200003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15349420 + ... + 21808413.

It is an arithmetic number, because the mean of its divisors is an integer number (11111307101020).

Almost surely, 2^{120001110200001} is an apocalyptic number.

It is an amenable number.

120001110200001 is a deficient number, since it is larger than the sum of its proper divisors (57779803416319).

120001110200001 is a wasteful number, since it uses less digits than its factorization.

120001110200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37277453 (or 37277447 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120001110200001 its reverse (100002011100021), we get a palindrome (220003121300022).

The spelling of 120001110200001 in words is "one hundred twenty trillion, one billion, one hundred ten million, two hundred thousand, one".