120001200010101 has 48 divisors (see below), whose sum is σ = 182809518091200. Its totient is φ = 78641437811328.

The previous prime is 120001200010099. The next prime is 120001200010103. The reversal of 120001200010101 is 101010002100021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120001200010099) and next prime (120001200010103).

It is not a de Polignac number, because 120001200010101 - 2¹ = 120001200010099 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001200010103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 353911435 + ... + 354250343.

It is an arithmetic number, because the mean of its divisors is an integer number (3808531626900).

Almost surely, 2^{120001200010101} is an apocalyptic number.

It is an amenable number.

120001200010101 is a deficient number, since it is larger than the sum of its proper divisors (62808318081099).

120001200010101 is an equidigital number, since it uses as much as digits as its factorization.

120001200010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363680 (or 363668 counting only the distinct ones).

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

Adding to 120001200010101 its reverse (101010002100021), we get a palindrome (221011202110122).

The spelling of 120001200010101 in words is "one hundred twenty trillion, one billion, two hundred million, ten thousand, one hundred one".