120201020210121 has 16 divisors (see below), whose sum is σ = 162930736277568. Its totient is φ = 78806638944000.

The previous prime is 120201020210113. The next prime is 120201020210137. The reversal of 120201020210121 is 121012020102021.

It is not a de Polignac number, because 120201020210121 - 2³ = 120201020210113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120201020210121.

It is not an unprimeable number, because it can be changed into a prime (120201020210021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497395860 + ... + 497637461.

It is an arithmetic number, because the mean of its divisors is an integer number (10183171017348).

Almost surely, 2^{120201020210121} is an apocalyptic number.

It is an amenable number.

120201020210121 is a deficient number, since it is larger than the sum of its proper divisors (42729716067447).

120201020210121 is an equidigital number, since it uses as much as digits as its factorization.

120201020210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995033992.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120201020210121 its reverse (121012020102021), we get a palindrome (241213040312142).

The spelling of 120201020210121 in words is "one hundred twenty trillion, two hundred one billion, twenty million, two hundred ten thousand, one hundred twenty-one".