20001002201611 has 2 divisors, whose sum is σ = 20001002201612. Its totient is φ = 20001002201610.

The previous prime is 20001002201599. The next prime is 20001002201623. The reversal of 20001002201611 is 11610220010002.

It is a balanced prime because it is at equal distance from previous prime (20001002201599) and next prime (20001002201623).

It is a cyclic number.

It is not a de Polignac number, because 20001002201611 - 2¹⁵ = 20001002168843 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001002201711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000501100805 + 10000501100806.

It is an arithmetic number, because the mean of its divisors is an integer number (10000501100806).

Almost surely, 2^{20001002201611} is an apocalyptic number.

20001002201611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001002201611 is an equidigital number, since it uses as much as digits as its factorization.

20001002201611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20001002201611 its reverse (11610220010002), we get a palindrome (31611222211613).

The spelling of 20001002201611 in words is "twenty trillion, one billion, two million, two hundred one thousand, six hundred eleven".