2021332129987 has 2 divisors, whose sum is σ = 2021332129988. Its totient is φ = 2021332129986.

The previous prime is 2021332129951. The next prime is 2021332129991. The reversal of 2021332129987 is 7899212331202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021332129987 - 2¹¹ = 2021332127939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021332129987.

It is not a weakly prime, because it can be changed into another prime (2021332121987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010666064993 + 1010666064994.

It is an arithmetic number, because the mean of its divisors is an integer number (1010666064994).

Almost surely, 2^{2021332129987} is an apocalyptic number.

2021332129987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021332129987 is an equidigital number, since it uses as much as digits as its factorization.

2021332129987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 2021332129987 in words is "two trillion, twenty-one billion, three hundred thirty-two million, one hundred twenty-nine thousand, nine hundred eighty-seven".