2021000120387 has 2 divisors, whose sum is σ = 2021000120388. Its totient is φ = 2021000120386.

The previous prime is 2021000120351. The next prime is 2021000120423. The reversal of 2021000120387 is 7830210001202.

It is a balanced prime because it is at equal distance from previous prime (2021000120351) and next prime (2021000120423).

It is a cyclic number.

It is not a de Polignac number, because 2021000120387 - 2¹⁰ = 2021000119363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021000120987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010500060193 + 1010500060194.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500060194).

Almost surely, 2^{2021000120387} is an apocalyptic number.

2021000120387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021000120387 is an equidigital number, since it uses as much as digits as its factorization.

2021000120387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 2021000120387 its reverse (7830210001202), we get a palindrome (9851210121589).

The spelling of 2021000120387 in words is "two trillion, twenty-one billion, one hundred twenty thousand, three hundred eighty-seven".