120111012201001 has 4 divisors (see below), whose sum is σ = 120215184805972. Its totient is φ = 120006839596032.

The previous prime is 120111012200999. The next prime is 120111012201007. The reversal of 120111012201001 is 100102210111021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52338207285225 + 67772804915776 = 7234515^2 + 8232424^2 .

It is a cyclic number.

It is not a de Polignac number, because 120111012201001 - 2¹ = 120111012200999 is a prime.

It is a super-3 number, since 3×120111012201001³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111012201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52086300756 + ... + 52086303061.

It is an arithmetic number, because the mean of its divisors is an integer number (30053796201493).

Almost surely, 2^{120111012201001} is an apocalyptic number.

It is an amenable number.

120111012201001 is a deficient number, since it is larger than the sum of its proper divisors (104172604971).

120111012201001 is a wasteful number, since it uses less digits than its factorization.

120111012201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104172604970.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120111012201001 its reverse (100102210111021), we get a palindrome (220213222312022).

The spelling of 120111012201001 in words is "one hundred twenty trillion, one hundred eleven billion, twelve million, two hundred one thousand, one".