2120021301 has 8 divisors (see below), whose sum is σ = 2903092384. Its totient is φ = 1375148880.

The previous prime is 2120021263. The next prime is 2120021341. The reversal of 2120021301 is 1031200212.

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

It is not a de Polignac number, because 2120021301 - 2⁶ = 2120021237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120021341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9549535 + ... + 9549756.

It is an arithmetic number, because the mean of its divisors is an integer number (362886548).

Almost surely, 2^2120021301 is an apocalyptic number.

It is an amenable number.

2120021301 is a deficient number, since it is larger than the sum of its proper divisors (783071083).

2120021301 is a wasteful number, since it uses less digits than its factorization.

2120021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19099331.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120021301 is about 46043.6890463829. The cubic root of 2120021301 is about 1284.6359602042.

Adding to 2120021301 its reverse (1031200212), we get a palindrome (3151221513).

The spelling of 2120021301 in words is "two billion, one hundred twenty million, twenty-one thousand, three hundred one".