2120102301421 has 8 divisors (see below), whose sum is σ = 2283200836280. Its totient is φ = 1957005729792.

The previous prime is 2120102301403. The next prime is 2120102301469. The reversal of 2120102301421 is 1241032010212.

It can be written as a sum of positive squares in 4 ways, for example, as 547912324521 + 1572189976900 = 740211^2 + 1253870^2 .

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 2120102301421 - 2¹³ = 2120102293229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120102302421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369485 + ... + 3139213.

It is an arithmetic number, because the mean of its divisors is an integer number (285400104535).

Almost surely, 2^{2120102301421} is an apocalyptic number.

It is an amenable number.

2120102301421 is a deficient number, since it is larger than the sum of its proper divisors (163098534859).

2120102301421 is a wasteful number, since it uses less digits than its factorization.

2120102301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981615.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2120102301421 its reverse (1241032010212), we get a palindrome (3361134311633).

The spelling of 2120102301421 in words is "two trillion, one hundred twenty billion, one hundred two million, three hundred one thousand, four hundred twenty-one".