2120022021301 has 4 divisors (see below), whose sum is σ = 2122764612012. Its totient is φ = 2117279430592.

The previous prime is 2120022021289. The next prime is 2120022021311. The reversal of 2120022021301 is 1031202200212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152732456100 + 1967289565201 = 390810^2 + 1402601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120022021301 - 2²¹ = 2120019924149 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 (2120022021311) 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, 1371294196 + ... + 1371295741.

It is an arithmetic number, because the mean of its divisors is an integer number (530691153003).

Almost surely, 2^{2120022021301} is an apocalyptic number.

It is an amenable number.

2120022021301 is a deficient number, since it is larger than the sum of its proper divisors (2742590711).

2120022021301 is an equidigital number, since it uses as much as digits as its factorization.

2120022021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742590710.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2120022021301 its reverse (1031202200212), we get a palindrome (3151224221513).

The spelling of 2120022021301 in words is "two trillion, one hundred twenty billion, twenty-two million, twenty-one thousand, three hundred one".