120020121001001 has 8 divisors (see below), whose sum is σ = 129252534862080. Its totient is φ = 110787720977232.

The previous prime is 120020121000991. The next prime is 120020121001037. The reversal of 120020121001001 is 100100121020021.

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

It is not a de Polignac number, because 120020121001001 - 2²² = 120020116806697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020121001601) 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 7 ways as a sum of consecutive naturals, for example, 20917130 + ... + 26030108.

It is an arithmetic number, because the mean of its divisors is an integer number (16156566857760).

Almost surely, 2^{120020121001001} is an apocalyptic number.

It is an amenable number.

120020121001001 is a deficient number, since it is larger than the sum of its proper divisors (9232413861079).

120020121001001 is a wasteful number, since it uses less digits than its factorization.

120020121001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918655.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120020121001001 its reverse (100100121020021), we get a palindrome (220120242021022).

The spelling of 120020121001001 in words is "one hundred twenty trillion, twenty billion, one hundred twenty-one million, one thousand, one".