120200100121001 has 8 divisors (see below), whose sum is σ = 121021027835400. Its totient is φ = 119379361948672.

The previous prime is 120200100120941. The next prime is 120200100121043. The reversal of 120200100121001 is 100121001002021.

It can be written as a sum of positive squares in 4 ways, for example, as 13207991118400 + 106992109002601 = 3634280^2 + 10343699^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120200100121001 is a prime.

It is a super-2 number, since 2×120200100121001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120200100121601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46112750 + ... + 48649623.

It is an arithmetic number, because the mean of its divisors is an integer number (15127628479425).

Almost surely, 2^{120200100121001} is an apocalyptic number.

It is an amenable number.

120200100121001 is a deficient number, since it is larger than the sum of its proper divisors (820927714399).

120200100121001 is an equidigital number, since it uses as much as digits as its factorization.

120200100121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94771035.

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

Adding to 120200100121001 its reverse (100121001002021), we get a palindrome (220321101123022).

The spelling of 120200100121001 in words is "one hundred twenty trillion, two hundred billion, one hundred million, one hundred twenty-one thousand, one".