120201010201001 has 4 divisors (see below), whose sum is σ = 120625748753232. Its totient is φ = 119776271648772.

The previous prime is 120201010200881. The next prime is 120201010201009. The reversal of 120201010201001 is 100102010102021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120201010201001 - 2¹⁸ = 120201009938857 is a prime.

It is a super-2 number, since 2×120201010201001² (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 (120201010201009) 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, 212369275691 + ... + 212369276256.

It is an arithmetic number, because the mean of its divisors is an integer number (30156437188308).

Almost surely, 2^{120201010201001} is an apocalyptic number.

It is an amenable number.

120201010201001 is a deficient number, since it is larger than the sum of its proper divisors (424738552231).

120201010201001 is an equidigital number, since it uses as much as digits as its factorization.

120201010201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424738552230.

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

Adding to 120201010201001 its reverse (100102010102021), we get a palindrome (220303020303022).

It can be divided in two parts, 12020101020 and 1001, that added together give a palindrome (12020102021).

The spelling of 120201010201001 in words is "one hundred twenty trillion, two hundred one billion, ten million, two hundred one thousand, one".