990021200202007 has 2 divisors, whose sum is σ = 990021200202008. Its totient is φ = 990021200202006.

The previous prime is 990021200201977. The next prime is 990021200202011. The reversal of 990021200202007 is 700202002120099.

990021200202007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-990021200202007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990021200205007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495010600101003 + 495010600101004.

It is an arithmetic number, because the mean of its divisors is an integer number (495010600101004).

Almost surely, 2^{990021200202007} is an apocalyptic number.

990021200202007 is a deficient number, since it is larger than the sum of its proper divisors (1).

990021200202007 is an equidigital number, since it uses as much as digits as its factorization.

990021200202007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 990021200202007 in words is "nine hundred ninety trillion, twenty-one billion, two hundred million, two hundred two thousand, seven".