2120021023313 has 8 divisors (see below), whose sum is σ = 2149091651328. Its totient is φ = 2090951185824.

The previous prime is 2120021023271. The next prime is 2120021023319. The reversal of 2120021023313 is 3133201200212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120021023313 - 2¹⁰ = 2120021022289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120021023319) 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, 6974756 + ... + 7272362.

It is an arithmetic number, because the mean of its divisors is an integer number (268636456416).

Almost surely, 2^{2120021023313} is an apocalyptic number.

It is an amenable number.

2120021023313 is a deficient number, since it is larger than the sum of its proper divisors (29070628015).

2120021023313 is an equidigital number, since it uses as much as digits as its factorization.

2120021023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395263.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2120021023313 its reverse (3133201200212), we get a palindrome (5253222223525).

The spelling of 2120021023313 in words is "two trillion, one hundred twenty billion, twenty-one million, twenty-three thousand, three hundred thirteen".