2120220321201 has 48 divisors (see below), whose sum is σ = 3292629762240. Its totient is φ = 1362390036480.

The previous prime is 2120220321143. The next prime is 2120220321209. The reversal of 2120220321201 is 1021230220212.

2120220321201 is a `hidden beast` number, since 2 + 120 + 2 + 20 + 321 + 201 = 666.

It is not a de Polignac number, because 2120220321201 - 2¹⁰ = 2120220320177 is a prime.

It is a super-2 number, since 2×2120220321201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120220321209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455056 + ... + 2108913.

It is an arithmetic number, because the mean of its divisors is an integer number (68596453380).

Almost surely, 2^{2120220321201} is an apocalyptic number.

It is an amenable number.

2120220321201 is a deficient number, since it is larger than the sum of its proper divisors (1172409441039).

2120220321201 is an equidigital number, since it uses as much as digits as its factorization.

2120220321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564108 (or 2564096 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2120220321201 its reverse (1021230220212), we get a palindrome (3141450541413).

The spelling of 2120220321201 in words is "two trillion, one hundred twenty billion, two hundred twenty million, three hundred twenty-one thousand, two hundred one".