120001112012221 has 8 divisors (see below), whose sum is σ = 130912783210944. Its totient is φ = 109089854013120.

The previous prime is 120001112012213. The next prime is 120001112012231. The reversal of 120001112012221 is 122210211100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120001112012221 - 2³ = 120001112012213 is a prime.

It is a super-2 number, since 2×120001112012221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001112012195 and 120001112012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001112012231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102692505 + ... + 103854478.

It is an arithmetic number, because the mean of its divisors is an integer number (16364097901368).

Almost surely, 2^{120001112012221} is an apocalyptic number.

120001112012221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120001112012221 is a deficient number, since it is larger than the sum of its proper divisors (10911671198723).

120001112012221 is a wasteful number, since it uses less digits than its factorization.

120001112012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206599811.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120001112012221 its reverse (122210211100021), we get a palindrome (242211323112242).

The spelling of 120001112012221 in words is "one hundred twenty trillion, one billion, one hundred twelve million, twelve thousand, two hundred twenty-one".