120201211001 has 4 divisors (see below), whose sum is σ = 120221866404. Its totient is φ = 120180555600.

The previous prime is 120201210967. The next prime is 120201211019. The reversal of 120201211001 is 100112102021.

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 114375858025 + 5825352976 = 338195^2 + 76324^2 .

It is a cyclic number.

It is not a de Polignac number, because 120201211001 - 2³⁰ = 119127469177 is a prime.

It is a super-2 number, since 2×120201211001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201211601) 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, 10318970 + ... + 10330611.

It is an arithmetic number, because the mean of its divisors is an integer number (30055466601).

Almost surely, 2^120201211001 is an apocalyptic number.

It is an amenable number.

120201211001 is a deficient number, since it is larger than the sum of its proper divisors (20655403).

120201211001 is an equidigital number, since it uses as much as digits as its factorization.

120201211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655402.

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

Adding to 120201211001 its reverse (100112102021), we get a palindrome (220313313022).

The spelling of 120201211001 in words is "one hundred twenty billion, two hundred one million, two hundred eleven thousand, one".